test: cover session adapter edge cases

test: cover session activity tracker edge paths
test: cover mcp health edge paths
2026-04-30 22:13:28 +08:00 · 2026-04-29 18:21:31 -04:00 · 2026-04-29 18:15:51 -04:00 · 2026-04-29 18:08:45 -04:00 · 2026-04-29 18:03:33 -04:00 · 2026-04-29 17:56:25 -04:00
7 changed files with 2087 additions and 28 deletions
--- a/scripts/hooks/insaits-security-wrapper.js
+++ b/scripts/hooks/insaits-security-wrapper.js
@@ -15,6 +15,7 @@ const path = require('path');
 const { spawnSync } = require('child_process');

 const MAX_STDIN = 1024 * 1024;
+const WINDOWS_SHELL_UNSAFE_PATH_CHARS = /[&|<>^%!]/;

 function isEnabled(value) {
  return ['1', 'true', 'yes', 'on'].includes(String(value || '').toLowerCase());
@@ -37,17 +38,33 @@ process.stdin.on('end', () => {
  const scriptDir = __dirname;
  const pyScript = path.join(scriptDir, 'insaits-security-monitor.py');

-  // Try python3 first (macOS/Linux), fall back to python (Windows)
-  const pythonCandidates = ['python3', 'python'];
+  // Prefer real Windows executables before .cmd shims so shell execution is
+  // only used for wrapper scripts such as pyenv/npm-style shims.
+  const pythonCandidates = process.platform === 'win32'
+    ? ['python3.exe', 'python.exe', 'python3.cmd', 'python.cmd', 'python3', 'python']
+    : ['python3', 'python'];
  let result;

  for (const pythonBin of pythonCandidates) {
+    const useWindowsShell = process.platform === 'win32' && /\.(cmd|bat)$/i.test(pythonBin);
+    if (useWindowsShell && (
+      WINDOWS_SHELL_UNSAFE_PATH_CHARS.test(pythonBin)
+      || WINDOWS_SHELL_UNSAFE_PATH_CHARS.test(pyScript)
+    )) {
+      result = {
+        error: new Error(`Unsafe Windows Python shim path: ${pythonBin}`),
+      };
+      break;
+    }
+
    result = spawnSync(pythonBin, [pyScript], {
      input: raw,
      encoding: 'utf8',
      env: process.env,
      cwd: process.cwd(),
      timeout: 14000,
+      shell: useWindowsShell,
+      windowsHide: true,
    });

    // ENOENT means binary not found - try next candidate
@@ -81,6 +98,16 @@ process.stdin.on('end', () => {
    process.exit(0);
  }

+  // The monitor only uses 0 (pass) and 2 (block). Other statuses usually
+  // mean Python launcher/dependency/runtime failure, so keep the hook fail-open.
+  if (result.status !== 0 && result.status !== 2) {
+    const detail = (result.stderr || result.stdout || '').trim();
+    const suffix = detail ? `: ${detail}` : '';
+    process.stderr.write(`[InsAIts] Security monitor exited with status ${result.status}${suffix}\n`);
+    process.stdout.write(raw);
+    process.exit(0);
+  }
+
  if (result.stdout) {
    process.stdout.write(result.stdout);
  } else if (result.status === 0) {
--- a/tests/hooks/insaits-security-wrapper.test.js
+++ b/tests/hooks/insaits-security-wrapper.test.js
@@ -21,8 +21,40 @@ function cleanup(dirPath) {
 }

 function writeFakePython(binDir) {
-  const fakePython = path.join(binDir, 'python3');
  fs.mkdirSync(binDir, { recursive: true });
+  if (process.platform === 'win32') {
+    const fakePythonJs = path.join(binDir, 'fake-python.js');
+    const fakePythonCmd = path.join(binDir, 'python3.cmd');
+    fs.writeFileSync(fakePythonJs, [
+      "'use strict';",
+      "const fs = require('fs');",
+      "const mode = process.env.FAKE_INSAITS_MODE || 'clean';",
+      "if (mode === 'clean') {",
+      "  fs.readFileSync(0, 'utf8');",
+      "  process.exit(0);",
+      "}",
+      "if (mode === 'echo') {",
+      "  process.stdout.write(fs.readFileSync(0, 'utf8'));",
+      "  process.exit(0);",
+      "}",
+      "if (mode === 'block') {",
+      "  process.stdout.write('blocked by monitor\\n');",
+      "  process.stderr.write('monitor warning\\n');",
+      "  process.exit(2);",
+      "}",
+      "if (mode === 'error') {",
+      "  process.stderr.write('spawned but failed\\n');",
+      "  process.exit(1);",
+      "}",
+    ].join('\n'), 'utf8');
+    fs.writeFileSync(fakePythonCmd, [
+      '@echo off',
+      `"${process.execPath}" "%~dp0fake-python.js" %*`,
+    ].join('\r\n'), 'utf8');
+    return;
+  }
+
+  const fakePython = path.join(binDir, 'python3');
  fs.writeFileSync(fakePython, [
    '#!/bin/sh',
    'mode="${FAKE_INSAITS_MODE:-clean}"',
@@ -134,6 +166,29 @@ function runTests() {
    }
  })) passed++; else failed++;

+  if (test('enabled monitor unexpected failure fails open with warning and raw stdin', () => {
+    const tempDir = createTempDir();
+    try {
+      writeFakePython(path.join(tempDir, 'bin'));
+
+      const result = run({
+        input: 'raw-input',
+        env: {
+          ECC_ENABLE_INSAITS: '1',
+          FAKE_INSAITS_MODE: 'error',
+          PATH: path.join(tempDir, 'bin'),
+        },
+      });
+
+      assert.strictEqual(result.status, 0);
+      assert.strictEqual(result.stdout, 'raw-input');
+      assert.ok(result.stderr.includes('Security monitor exited with status 1'));
+      assert.ok(result.stderr.includes('spawned but failed'));
+    } finally {
+      cleanup(tempDir);
+    }
+  })) passed++; else failed++;
+
  if (test('missing Python fails open with warning and raw stdin', () => {
    const result = run({
      input: 'raw-input',
@@ -145,7 +200,10 @@ function runTests() {

    assert.strictEqual(result.status, 0);
    assert.strictEqual(result.stdout, 'raw-input');
-    assert.ok(result.stderr.includes('python3/python not found'));
+    assert.ok(
+      result.stderr.includes('python3/python not found')
+      || result.stderr.includes('Security monitor exited with status')
+    );
  })) passed++; else failed++;

  console.log(`\nResults: Passed: ${passed}, Failed: ${failed}`);
--- a/tests/hooks/mcp-health-check.test.js
+++ b/tests/hooks/mcp-health-check.test.js
@@ -61,15 +61,29 @@ function createCommandConfig(scriptPath) {
  };
 }

-function runHook(input, env = {}) {
+function buildHookEnv(env = {}) {
+  const merged = {
+    ...process.env,
+    ECC_HOOK_PROFILE: 'standard'
+  };
+
+  for (const [key, value] of Object.entries(env)) {
+    if (value === null || value === undefined) {
+      delete merged[key];
+    } else {
+      merged[key] = value;
+    }
+  }
+
+  return merged;
+}
+
+function runHook(input, env = {}, options = {}) {
  const result = spawnSync('node', [script], {
    input: JSON.stringify(input),
    encoding: 'utf8',
-    env: {
-      ...process.env,
-      ECC_HOOK_PROFILE: 'standard',
-      ...env
-    },
+    cwd: options.cwd || process.cwd(),
+    env: buildHookEnv(env),
    timeout: 15000,
    stdio: ['pipe', 'pipe', 'pipe']
  });
@@ -81,15 +95,12 @@ function runHook(input, env = {}) {
  };
 }

-function runRawHook(rawInput, env = {}) {
+function runRawHook(rawInput, env = {}, options = {}) {
  const result = spawnSync('node', [script], {
    input: rawInput,
    encoding: 'utf8',
-    env: {
-      ...process.env,
-      ECC_HOOK_PROFILE: 'standard',
-      ...env
-    },
+    cwd: options.cwd || process.cwd(),
+    env: buildHookEnv(env),
    timeout: 15000,
    stdio: ['pipe', 'pipe', 'pipe']
  });
@@ -173,6 +184,192 @@ async function runTests() {
    assert.ok(result.stderr.includes('Hook input exceeded 512 bytes'), `Expected size warning, got: ${result.stderr}`);
    assert.ok(/blocking search/i.test(result.stderr), `Expected blocking message, got: ${result.stderr}`);
  })) passed++; else failed++;
+
+  if (test('allows truncated MCP hook input when fail-open mode is enabled', () => {
+    const rawInput = JSON.stringify({ tool_name: 'mcp__flaky__search', tool_input: {} });
+    const result = runRawHook(rawInput, {
+      CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+      ECC_HOOK_INPUT_TRUNCATED: 'true',
+      ECC_HOOK_INPUT_MAX_BYTES: '256',
+      ECC_MCP_HEALTH_FAIL_OPEN: 'yes'
+    });
+
+    assert.strictEqual(result.code, 0, 'Expected fail-open mode to allow truncated MCP input');
+    assert.strictEqual(result.stdout, rawInput, 'Expected raw input passthrough on stdout');
+    assert.ok(result.stderr.includes('Hook input exceeded 256 bytes'), `Expected size warning, got: ${result.stderr}`);
+    assert.ok(/fail-open mode is enabled/i.test(result.stderr), `Expected fail-open log, got: ${result.stderr}`);
+  })) passed++; else failed++;
+
+  if (await asyncTest('uses default cwd config path and default home state path', async () => {
+    const tempDir = createTempDir();
+    const homeDir = path.join(tempDir, 'home');
+    const configDir = path.join(tempDir, '.claude');
+    const configPath = path.join(configDir, 'settings.json');
+    const expectedStatePath = path.join(homeDir, '.claude', 'mcp-health-cache.json');
+    const serverScript = path.join(tempDir, 'default-path-server.js');
+
+    try {
+      fs.mkdirSync(configDir, { recursive: true });
+      fs.mkdirSync(homeDir, { recursive: true });
+      fs.writeFileSync(serverScript, "setInterval(() => {}, 1000);\n");
+      writeConfig(configPath, {
+        mcpServers: {
+          cwddefault: createCommandConfig(serverScript)
+        }
+      });
+
+      const input = { tool_name: 'mcp__cwddefault__list', tool_input: {} };
+      const result = runHook(
+        input,
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: null,
+          ECC_MCP_HEALTH_STATE_PATH: null,
+          ECC_MCP_HEALTH_TIMEOUT_MS: '100',
+          HOME: homeDir,
+          USERPROFILE: homeDir
+        },
+        { cwd: tempDir }
+      );
+
+      assert.strictEqual(result.code, 0, `Expected default-path server to pass, got ${result.code}: ${result.stderr}`);
+      assert.strictEqual(result.stdout.trim(), JSON.stringify(input), 'Expected original JSON on stdout');
+
+      const state = readState(expectedStatePath);
+      assert.strictEqual(state.servers.cwddefault.status, 'healthy', 'Expected default home state path to be used');
+      assert.strictEqual(
+        fs.realpathSync(state.servers.cwddefault.source),
+        fs.realpathSync(configPath),
+        'Expected cwd .claude/settings.json config source'
+      );
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (test('uses cached healthy and unhealthy states without probing configs', () => {
+    const tempDir = createTempDir();
+    const now = Date.now();
+    const healthyStatePath = path.join(tempDir, 'healthy-state.json');
+    const unhealthyStatePath = path.join(tempDir, 'unhealthy-state.json');
+
+    try {
+      fs.writeFileSync(healthyStatePath, JSON.stringify({
+        version: 1,
+        servers: {
+          cached: {
+            status: 'healthy',
+            checkedAt: now,
+            expiresAt: now + 60000,
+            failureCount: 0,
+            nextRetryAt: now
+          }
+        }
+      }));
+      fs.writeFileSync(unhealthyStatePath, JSON.stringify({
+        version: 1,
+        servers: {
+          blocked: {
+            status: 'unhealthy',
+            checkedAt: now,
+            expiresAt: now,
+            failureCount: 1,
+            nextRetryAt: now + 60000,
+            lastError: 'cached outage'
+          }
+        }
+      }));
+
+      const healthy = runHook(
+        { tool_name: 'mcp__cached__list', tool_input: {} },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: path.join(tempDir, 'missing.json'),
+          ECC_MCP_HEALTH_STATE_PATH: healthyStatePath
+        }
+      );
+      const unhealthy = runHook(
+        { tool_name: 'mcp__blocked__query', tool_input: {} },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: path.join(tempDir, 'missing.json'),
+          ECC_MCP_HEALTH_STATE_PATH: unhealthyStatePath
+        }
+      );
+
+      assert.strictEqual(healthy.code, 0, 'Expected cached healthy server to pass without config lookup');
+      assert.strictEqual(healthy.stderr, '', 'Expected cached healthy server to skip logging');
+      assert.strictEqual(unhealthy.code, 2, 'Expected cached unhealthy server to block before retry time');
+      assert.ok(unhealthy.stderr.includes('marked unhealthy until'), `Expected cached unhealthy log, got: ${unhealthy.stderr}`);
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (test('ignores malformed state files and allows missing MCP configs', () => {
+    const tempDir = createTempDir();
+    const statePath = path.join(tempDir, 'malformed-state.json');
+
+    try {
+      fs.writeFileSync(statePath, '[]');
+
+      const result = runHook(
+        {
+          tool_name: 'Invoke',
+          server: 'ghost',
+          tool: 'lookup',
+          tool_input: {}
+        },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: path.join(tempDir, 'missing.json'),
+          ECC_MCP_HEALTH_STATE_PATH: statePath
+        }
+      );
+
+      assert.strictEqual(result.code, 0, 'Expected missing config to be non-blocking');
+      assert.ok(result.stderr.includes('No MCP config found for ghost'), `Expected missing config log, got: ${result.stderr}`);
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (await asyncTest('supports explicit tool_input server targets and mcp_servers config aliases', async () => {
+    const tempDir = createTempDir();
+    const configPath = path.join(tempDir, 'claude.json');
+    const statePath = path.join(tempDir, 'mcp-health.json');
+    const serverScript = path.join(tempDir, 'alias-server.js');
+
+    try {
+      fs.writeFileSync(serverScript, "setInterval(() => {}, 1000);\n");
+      writeConfig(configPath, {
+        mcp_servers: {
+          alias: createCommandConfig(serverScript)
+        }
+      });
+
+      const input = {
+        tool_name: 'GenericMcpTool',
+        tool_input: {
+          connector: 'alias',
+          mcp_tool: 'lookup'
+        }
+      };
+      const result = runHook(input, {
+        CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+        ECC_MCP_CONFIG_PATH: configPath,
+        ECC_MCP_HEALTH_STATE_PATH: statePath,
+        ECC_MCP_HEALTH_TIMEOUT_MS: '100'
+      });
+
+      assert.strictEqual(result.code, 0, `Expected explicit MCP target to pass, got ${result.code}: ${result.stderr}`);
+      const state = readState(statePath);
+      assert.strictEqual(state.servers.alias.status, 'healthy', 'Expected alias server to be marked healthy');
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
  if (await asyncTest('marks healthy command MCP servers and allows the tool call', async () => {
    const tempDir = createTempDir();
    const configPath = path.join(tempDir, 'claude.json');
@@ -272,6 +469,151 @@ async function runTests() {
    }
  })) passed++; else failed++;

+  if (await asyncTest('blocks unsupported MCP configs and command spawn failures', async () => {
+    const tempDir = createTempDir();
+    const configPath = path.join(tempDir, 'claude.json');
+    const statePath = path.join(tempDir, 'mcp-health.json');
+
+    try {
+      writeConfig(configPath, {
+        mcpServers: {
+          unsupported: {},
+          missingcmd: {
+            command: path.join(tempDir, 'missing-mcp-server')
+          }
+        }
+      });
+
+      const unsupported = runHook(
+        { tool_name: 'mcp__unsupported__search', tool_input: {} },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: configPath,
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_HEALTH_TIMEOUT_MS: '100'
+        }
+      );
+      const missingCommand = runHook(
+        { tool_name: 'mcp__missingcmd__search', tool_input: {} },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: configPath,
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_HEALTH_TIMEOUT_MS: '100'
+        }
+      );
+
+      assert.strictEqual(unsupported.code, 2, 'Expected unsupported config to block');
+      assert.ok(unsupported.stderr.includes('unsupported MCP server config'), `Expected unsupported reason, got: ${unsupported.stderr}`);
+      assert.strictEqual(missingCommand.code, 2, 'Expected missing command to block');
+      assert.ok(/ENOENT|spawn/i.test(missingCommand.stderr), `Expected spawn failure reason, got: ${missingCommand.stderr}`);
+
+      const state = readState(statePath);
+      assert.strictEqual(state.servers.unsupported.status, 'unhealthy', 'Expected unsupported server state');
+      assert.strictEqual(state.servers.missingcmd.status, 'unhealthy', 'Expected missing command server state');
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (await asyncTest('includes command stderr and config env in unhealthy probe reasons', async () => {
+    const tempDir = createTempDir();
+    const configPath = path.join(tempDir, 'claude.json');
+    const statePath = path.join(tempDir, 'mcp-health.json');
+    const serverScript = path.join(tempDir, 'stderr-server.js');
+
+    try {
+      fs.writeFileSync(
+        serverScript,
+        "console.error(`probe failed with ${process.env.ECC_MCP_TEST_MARKER}`); process.exit(1);\n"
+      );
+      writeConfig(configPath, {
+        mcpServers: {
+          stderrprobe: {
+            command: process.execPath,
+            args: [serverScript],
+            env: {
+              ECC_MCP_TEST_MARKER: 'marker-from-config'
+            }
+          }
+        }
+      });
+
+      const result = runHook(
+        { tool_name: 'mcp__stderrprobe__search', tool_input: {} },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: configPath,
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_HEALTH_TIMEOUT_MS: '100'
+        }
+      );
+
+      assert.strictEqual(result.code, 2, 'Expected stderr probe failure to block');
+      assert.ok(result.stderr.includes('marker-from-config'), `Expected command stderr in reason, got: ${result.stderr}`);
+
+      const state = readState(statePath);
+      assert.ok(state.servers.stderrprobe.lastError.includes('marker-from-config'), 'Expected stderr reason in state');
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (await asyncTest('records reconnect reprobe failures for previously unhealthy servers', async () => {
+    const tempDir = createTempDir();
+    const configPath = path.join(tempDir, 'claude.json');
+    const statePath = path.join(tempDir, 'mcp-health.json');
+    const serverScript = path.join(tempDir, 'still-down-server.js');
+    const reconnectScript = path.join(tempDir, 'noop-reconnect.js');
+    const now = Date.now();
+
+    try {
+      fs.writeFileSync(serverScript, "console.error('503 Service Unavailable'); process.exit(1);\n");
+      fs.writeFileSync(reconnectScript, "process.exit(0);\n");
+      fs.writeFileSync(statePath, JSON.stringify({
+        version: 1,
+        servers: {
+          sticky: {
+            status: 'unhealthy',
+            checkedAt: now - 60000,
+            expiresAt: now - 60000,
+            failureCount: 2,
+            lastError: 'previous outage',
+            nextRetryAt: now - 1000,
+            lastRestoredAt: now - 120000
+          }
+        }
+      }));
+      writeConfig(configPath, {
+        mcpServers: {
+          sticky: createCommandConfig(serverScript)
+        }
+      });
+
+      const result = runHook(
+        { tool_name: 'mcp__sticky__search', tool_input: {} },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
+          ECC_MCP_CONFIG_PATH: configPath,
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_RECONNECT_COMMAND: `${JSON.stringify(process.execPath)} ${JSON.stringify(reconnectScript)}`,
+          ECC_MCP_HEALTH_TIMEOUT_MS: '100',
+          ECC_MCP_HEALTH_BACKOFF_MS: '10'
+        }
+      );
+
+      assert.strictEqual(result.code, 2, 'Expected still-unhealthy server to block');
+      assert.ok(result.stderr.includes('reconnect reprobe failed'), `Expected reprobe failure reason, got: ${result.stderr}`);
+      assert.ok(result.stderr.includes('Reconnect attempt: ok'), `Expected reconnect attempt suffix, got: ${result.stderr}`);
+
+      const state = readState(statePath);
+      assert.strictEqual(state.servers.sticky.failureCount, 3, 'Expected failure count to increment');
+      assert.strictEqual(state.servers.sticky.lastRestoredAt, now - 120000, 'Expected previous restore timestamp to survive');
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
  if (await asyncTest('post-failure reconnect command restores server health when a reprobe succeeds', async () => {
    const tempDir = createTempDir();
    const configPath = path.join(tempDir, 'claude.json');
@@ -334,6 +676,131 @@ async function runTests() {
    }
  })) passed++; else failed++;

+  if (test('ignores post-failure events without a reconnect-worthy failure code', () => {
+    const tempDir = createTempDir();
+    const statePath = path.join(tempDir, 'mcp-health.json');
+
+    try {
+      const result = runHook(
+        {
+          tool_name: 'mcp__quiet__messages',
+          tool_input: {},
+          error: 'tool returned an application-level validation error'
+        },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PostToolUseFailure',
+          ECC_MCP_HEALTH_STATE_PATH: statePath
+        }
+      );
+
+      assert.strictEqual(result.code, 0, 'Expected unmatched post-failure to remain non-blocking');
+      assert.strictEqual(result.stderr, '', 'Expected no logs for unmatched post-failure');
+      assert.strictEqual(fs.existsSync(statePath), false, 'Expected no state write for unmatched post-failure');
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (test('post-failure marks servers unhealthy and skips reconnect when no command is configured', () => {
+    const tempDir = createTempDir();
+    const statePath = path.join(tempDir, 'mcp-health.json');
+
+    try {
+      const result = runHook(
+        {
+          tool_name: 'mcp__noplan__messages',
+          tool_input: {},
+          tool_output: {
+            stderr: '403 Forbidden from upstream MCP'
+          }
+        },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PostToolUseFailure',
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_RECONNECT_COMMAND: null
+        }
+      );
+
+      assert.strictEqual(result.code, 0, 'Expected post-failure hook to remain non-blocking');
+      assert.ok(result.stderr.includes('reported 403'), `Expected detected failure code log, got: ${result.stderr}`);
+      assert.ok(result.stderr.includes('reconnect skipped'), `Expected reconnect skipped log, got: ${result.stderr}`);
+
+      const state = readState(statePath);
+      assert.strictEqual(state.servers.noplan.status, 'unhealthy', 'Expected post-failure to mark server unhealthy');
+      assert.strictEqual(state.servers.noplan.lastFailureCode, 403, 'Expected detected status code in state');
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (test('post-failure reports failed reconnect commands', () => {
+    const tempDir = createTempDir();
+    const statePath = path.join(tempDir, 'mcp-health.json');
+    const reconnectScript = path.join(tempDir, 'failed-reconnect.js');
+
+    try {
+      fs.writeFileSync(reconnectScript, "console.error('cannot reconnect'); process.exit(7);\n");
+
+      const result = runHook(
+        {
+          tool_name: 'mcp__badreconnect__messages',
+          tool_input: {},
+          tool_response: 'service unavailable 503'
+        },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PostToolUseFailure',
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_RECONNECT_COMMAND: `${JSON.stringify(process.execPath)} ${JSON.stringify(reconnectScript)}`
+        }
+      );
+
+      assert.strictEqual(result.code, 0, 'Expected reconnect failure hook to remain non-blocking');
+      assert.ok(result.stderr.includes('reported 503'), `Expected detected failure code log, got: ${result.stderr}`);
+      assert.ok(result.stderr.includes('reconnect failed: cannot reconnect'), `Expected reconnect failure reason, got: ${result.stderr}`);
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
+  if (test('post-failure expands per-server reconnect commands before follow-up config checks', () => {
+    const tempDir = createTempDir();
+    const statePath = path.join(tempDir, 'mcp-health.json');
+    const reconnectScript = path.join(tempDir, 'server-reconnect.js');
+    const markerFile = path.join(tempDir, 'server-name.txt');
+
+    try {
+      fs.writeFileSync(
+        reconnectScript,
+        [
+          "const fs = require('fs');",
+          "fs.writeFileSync(process.argv[2], process.argv[3]);"
+        ].join('\n')
+      );
+
+      const result = runHook(
+        {
+          tool_name: 'mcp__foo-bar__messages',
+          tool_input: {},
+          message: 'transport connection reset'
+        },
+        {
+          CLAUDE_HOOK_EVENT_NAME: 'PostToolUseFailure',
+          ECC_MCP_HEALTH_STATE_PATH: statePath,
+          ECC_MCP_CONFIG_PATH: path.join(tempDir, 'missing.json'),
+          ECC_MCP_RECONNECT_COMMAND: null,
+          ECC_MCP_RECONNECT_FOO_BAR: `${JSON.stringify(process.execPath)} ${JSON.stringify(reconnectScript)} ${JSON.stringify(markerFile)} {server}`
+        }
+      );
+
+      assert.strictEqual(result.code, 0, 'Expected per-server reconnect hook to remain non-blocking');
+      assert.strictEqual(fs.readFileSync(markerFile, 'utf8'), 'foo-bar', 'Expected {server} token expansion');
+      assert.ok(result.stderr.includes('reported transport'), `Expected transport failure log, got: ${result.stderr}`);
+      assert.ok(result.stderr.includes('no config was available'), `Expected missing config follow-up log, got: ${result.stderr}`);
+    } finally {
+      cleanupTempDir(tempDir);
+    }
+  })) passed++; else failed++;
+
  if (await asyncTest('treats HTTP 400 probe responses as healthy reachable servers', async () => {
    const tempDir = createTempDir();
    const configPath = path.join(tempDir, 'claude.json');
--- a/tests/hooks/session-activity-tracker.test.js
+++ b/tests/hooks/session-activity-tracker.test.js
@@ -16,6 +16,13 @@ const script = path.join(
  'hooks',
  'session-activity-tracker.js'
 );
+const {
+  buildActivityRow,
+  extractFileEvents,
+  extractFilePaths,
+  summarizeOutput,
+  run,
+} = require(script);

 function test(name, fn) {
  try {
@@ -52,6 +59,15 @@ function runScript(input, envOverrides = {}, options = {}) {
  return { code: result.status || 0, stdout: result.stdout || '', stderr: result.stderr || '' };
 }

+function readMetricRows(homeDir) {
+  const metricsFile = path.join(homeDir, '.claude', 'metrics', 'tool-usage.jsonl');
+  return fs.readFileSync(metricsFile, 'utf8')
+    .trim()
+    .split(/\r?\n/)
+    .filter(Boolean)
+    .map(line => JSON.parse(line));
+}
+
 function runTests() {
  console.log('\n=== Testing session-activity-tracker.js ===\n');

@@ -405,6 +421,246 @@ function runTests() {
    fs.rmSync(tmpHome, { recursive: true, force: true });
  }) ? passed++ : failed++);

+  (test('skips non-PostToolUse events and rows without required identifiers', () => {
+    assert.strictEqual(buildActivityRow(
+      { tool_name: 'Read', tool_input: { file_path: 'README.md' } },
+      { CLAUDE_HOOK_EVENT_NAME: 'PreToolUse', ECC_SESSION_ID: 'sess' }
+    ), null);
+    assert.strictEqual(buildActivityRow(
+      { tool_name: 'Read', tool_input: { file_path: 'README.md' } },
+      { CLAUDE_HOOK_EVENT_NAME: 'PostToolUse' }
+    ), null);
+    assert.strictEqual(buildActivityRow(
+      { tool_input: { file_path: 'README.md' } },
+      { CLAUDE_HOOK_EVENT_NAME: 'PostToolUse', ECC_SESSION_ID: 'sess' }
+    ), null);
+  }) ? passed++ : failed++);
+
+  (test('sanitizes nested params, long summaries, and output variants', () => {
+    const longValue = `start ${'x'.repeat(260)} ghp_${'A'.repeat(20)}`;
+    const row = buildActivityRow(
+      {
+        tool_name: 'Lookup',
+        tool_input: {
+          query: longValue,
+          secret: `gho_${'B'.repeat(20)}`,
+          count: 3,
+          enabled: false,
+          omitted: null,
+          nested: { a: { b: { c: { d: 'too deep' } } } },
+          list: [1, true, null, 4],
+        },
+        tool_output: `line one\nline two ${'y'.repeat(260)}`,
+      },
+      { CLAUDE_HOOK_EVENT_NAME: 'PostToolUse', CLAUDE_SESSION_ID: 'claude-fallback' }
+    );
+
+    assert.strictEqual(row.session_id, 'claude-fallback');
+    assert.strictEqual(row.file_paths.length, 0);
+    assert.ok(row.input_summary.endsWith('...'), 'Expected long shallow summary to be truncated');
+    assert.ok(!row.input_summary.includes('ghp_'), 'Expected GitHub token redaction in input summary');
+    assert.ok(row.output_summary.endsWith('...'), 'Expected long output summary to be truncated');
+    assert.ok(!row.output_summary.includes('\n'), 'Expected output summary to normalize whitespace');
+
+    const params = JSON.parse(row.input_params_json);
+    assert.strictEqual(params.count, 3);
+    assert.strictEqual(params.enabled, false);
+    assert.strictEqual(params.omitted, null);
+    assert.strictEqual(params.secret, '<REDACTED>');
+    assert.strictEqual(params.nested.a.b.c, '[Truncated]');
+    assert.deepStrictEqual(params.list.slice(0, 3), [1, true, null]);
+    assert.strictEqual(params.list[3], 4);
+    assert.ok(params.query.endsWith('...'), 'Expected long param value to be truncated');
+
+    assert.strictEqual(summarizeOutput(null), '');
+    assert.strictEqual(summarizeOutput(undefined), '');
+    assert.strictEqual(summarizeOutput('hello\nworld'), 'hello world');
+    assert.strictEqual(summarizeOutput({ ok: true }), '{"ok":true}');
+  }) ? passed++ : failed++);
+
+  (test('extracts file paths from nested arrays while filtering duplicates and remote URIs', () => {
+    const paths = extractFilePaths({
+      file_paths: [
+        'src/a.js',
+        'src/a.js',
+        'https://example.com/file.js',
+        '',
+        { file_path: 'src/b.js' },
+      ],
+      nested: {
+        source_path: 'app://connector/item',
+        deep: [
+          { new_file_path: 'src/c.js' },
+          { old_file_path: 'plugin://plugin/item' },
+          42,
+        ],
+      },
+      ignored: 'not-a-path-field',
+    });
+
+    assert.deepStrictEqual(paths, ['src/a.js', 'src/b.js', 'src/c.js']);
+    assert.deepStrictEqual(extractFilePaths(null), []);
+    assert.deepStrictEqual(extractFilePaths('src/not-collected.js'), []);
+  }) ? passed++ : failed++);
+
+  (test('extracts file event previews for create delete and one-sided edits', () => {
+    const events = extractFileEvents('Write', {
+      files: [
+        {
+          file_path: 'src/new.ts',
+          content: 'first line\nsecond line',
+        },
+        {
+          file_path: 'src/new.ts',
+          content: 'first line\nsecond line',
+        },
+        {
+          file_path: 'https://example.com/remote.ts',
+          content: 'ignored',
+        },
+      ],
+    });
+    assert.deepStrictEqual(events, [
+      {
+        path: 'src/new.ts',
+        action: 'create',
+        diff_preview: '+ first line second line',
+        patch_preview: '+ first line second line',
+      },
+    ]);
+
+    assert.deepStrictEqual(extractFileEvents('Remove', {
+      file_path: 'src/old.ts',
+      content: 'legacy line',
+    }), [
+      {
+        path: 'src/old.ts',
+        action: 'delete',
+        patch_preview: '- legacy line',
+      },
+    ]);
+
+    assert.deepStrictEqual(extractFileEvents('Edit', {
+      edits: [
+        { file_path: 'src/before.ts', old_string: 'legacy', new_string: '' },
+        { file_path: 'src/after.ts', old_string: '', new_string: 'modern' },
+        { file_path: 'src/no-preview.ts', old_string: '', new_string: '' },
+      ],
+    }), [
+      {
+        path: 'src/before.ts',
+        action: 'modify',
+        diff_preview: 'legacy ->',
+        patch_preview: '@@\n- legacy',
+      },
+      {
+        path: 'src/after.ts',
+        action: 'modify',
+        diff_preview: '-> modern',
+        patch_preview: '@@\n+ modern',
+      },
+      { path: 'src/no-preview.ts', action: 'modify' },
+    ]);
+
+    assert.deepStrictEqual(extractFileEvents('Rename', {
+      old_file_path: 'src/old-name.ts',
+      new_file_path: 'src/new-name.ts',
+    }), [
+      { path: 'src/old-name.ts', action: 'move' },
+      { path: 'src/new-name.ts', action: 'move' },
+    ]);
+
+    assert.deepStrictEqual(extractFileEvents('Read', null), []);
+    assert.deepStrictEqual(extractFileEvents('Touch', { file_path: 'src/touched.ts' }), [
+      { path: 'src/touched.ts', action: 'touch' },
+    ]);
+  }) ? passed++ : failed++);
+
+  (test('records creation previews unchanged when running outside a git repository', () => {
+    const tmpHome = makeTempDir();
+    const tmpCwd = makeTempDir();
+
+    const input = {
+      tool_name: 'Write',
+      tool_input: {
+        file_path: 'created.txt',
+        content: 'alpha\nbeta',
+      },
+      tool_output: 17,
+    };
+    const result = runScript(input, {
+      ...withTempHome(tmpHome),
+      CLAUDE_HOOK_EVENT_NAME: 'PostToolUse',
+      ECC_SESSION_ID: 'ecc-session-non-git-create',
+    }, {
+      cwd: tmpCwd,
+    });
+
+    assert.strictEqual(result.code, 0);
+    const [row] = readMetricRows(tmpHome);
+    assert.strictEqual(row.output_summary, '17');
+    assert.deepStrictEqual(row.file_events, [
+      {
+        path: 'created.txt',
+        action: 'create',
+        diff_preview: '+ alpha beta',
+        patch_preview: '+ alpha beta',
+      },
+    ]);
+
+    fs.rmSync(tmpHome, { recursive: true, force: true });
+    fs.rmSync(tmpCwd, { recursive: true, force: true });
+  }) ? passed++ : failed++);
+
+  (test('preserves absolute paths outside the repo without git enrichment', () => {
+    const tmpHome = makeTempDir();
+    const outsideDir = makeTempDir();
+    const outsideFile = path.join(outsideDir, 'outside.txt');
+    fs.writeFileSync(outsideFile, 'outside', 'utf8');
+
+    const input = {
+      tool_name: 'Read',
+      tool_input: {
+        file_path: outsideFile,
+      },
+      tool_output: 'read outside',
+    };
+    const result = runScript(input, {
+      ...withTempHome(tmpHome),
+      CLAUDE_HOOK_EVENT_NAME: 'PostToolUse',
+      ECC_SESSION_ID: 'ecc-session-absolute-outside',
+    });
+
+    assert.strictEqual(result.code, 0);
+    const [row] = readMetricRows(tmpHome);
+    assert.deepStrictEqual(row.file_paths, [outsideFile]);
+    assert.deepStrictEqual(row.file_events, [
+      { path: outsideFile, action: 'read' },
+    ]);
+
+    fs.rmSync(tmpHome, { recursive: true, force: true });
+    fs.rmSync(outsideDir, { recursive: true, force: true });
+  }) ? passed++ : failed++);
+
+  (test('passes empty stdin through without creating metrics', () => {
+    const tmpHome = makeTempDir();
+    const result = runScript('', {
+      ...withTempHome(tmpHome),
+      CLAUDE_HOOK_EVENT_NAME: 'PostToolUse',
+      ECC_SESSION_ID: 'sess-empty',
+    });
+
+    assert.strictEqual(result.code, 0);
+    assert.strictEqual(result.stdout, '');
+    assert.strictEqual(run(''), '');
+    assert.strictEqual(
+      fs.existsSync(path.join(tmpHome, '.claude', 'metrics', 'tool-usage.jsonl')),
+      false
+    );
+
+    fs.rmSync(tmpHome, { recursive: true, force: true });
+  }) ? passed++ : failed++);
+
  console.log(`\nResults: Passed: ${passed}, Failed: ${failed}`);
  process.exit(failed > 0 ? 1 : 0);
 }
--- a/tests/lib/install-lifecycle.test.js
+++ b/tests/lib/install-lifecycle.test.js
@@ -10,6 +10,7 @@ const path = require('path');
 const {
  buildDoctorReport,
  discoverInstalledStates,
+  normalizeTargets,
  repairInstalledStates,
  uninstallInstalledStates,
 } = require('../../scripts/lib/install-lifecycle');
@@ -52,12 +53,79 @@ function writeState(filePath, options) {
  return state;
 }

+function createCursorStateOptions(projectRoot, overrides = {}) {
+  const targetRoot = overrides.targetRoot || path.join(projectRoot, '.cursor');
+  const installStatePath = overrides.installStatePath || path.join(targetRoot, 'ecc-install-state.json');
+
+  return {
+    adapter: { id: 'cursor-project', target: 'cursor', kind: 'project' },
+    targetRoot,
+    installStatePath,
+    request: {
+      profile: null,
+      modules: [],
+      includeComponents: [],
+      excludeComponents: [],
+      legacyLanguages: ['typescript'],
+      legacyMode: true,
+      ...(overrides.request || {}),
+    },
+    resolution: {
+      selectedModules: ['legacy-cursor-install'],
+      skippedModules: [],
+      ...(overrides.resolution || {}),
+    },
+    operations: overrides.operations || [],
+    source: {
+      repoVersion: CURRENT_PACKAGE_VERSION,
+      repoCommit: 'abc123',
+      manifestVersion: CURRENT_MANIFEST_VERSION,
+      ...(overrides.source || {}),
+    },
+  };
+}
+
+function writeCursorState(projectRoot, overrides = {}) {
+  const options = createCursorStateOptions(projectRoot, overrides);
+  writeState(options.installStatePath, options);
+  return {
+    targetRoot: options.targetRoot,
+    installStatePath: options.installStatePath,
+    state: options,
+  };
+}
+
+function managedOperation(kind, destinationPath, overrides = {}) {
+  return {
+    kind,
+    moduleId: 'test-module',
+    sourceRelativePath: 'rules/common/coding-style.md',
+    destinationPath,
+    strategy: kind,
+    ownership: 'managed',
+    scaffoldOnly: false,
+    ...overrides,
+  };
+}
+
 function runTests() {
  console.log('\n=== Testing install-lifecycle.js ===\n');

  let passed = 0;
  let failed = 0;

+  if (test('normalizes default targets and dedupes adapter aliases', () => {
+    const defaultTargets = normalizeTargets();
+
+    assert.ok(defaultTargets.includes('claude'));
+    assert.ok(defaultTargets.includes('cursor'));
+    assert.ok(defaultTargets.includes('codex'));
+    assert.deepStrictEqual(
+      normalizeTargets(['cursor-project', 'cursor', 'claude-home', 'claude']),
+      ['cursor', 'claude']
+    );
+  })) passed++; else failed++;
+
  if (test('discovers installed states for multiple targets in the current context', () => {
    const homeDir = createTempDir('install-lifecycle-home-');
    const projectRoot = createTempDir('install-lifecycle-project-');
@@ -127,6 +195,42 @@ function runTests() {
    }
  })) passed++; else failed++;

+  if (test('discovers missing and invalid install-state records', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      let records = discoverInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(records.length, 1);
+      assert.strictEqual(records[0].exists, false);
+      assert.strictEqual(records[0].state, null);
+      assert.strictEqual(records[0].error, null);
+
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const statePath = path.join(targetRoot, 'ecc-install-state.json');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(statePath, '{not-json', 'utf8');
+
+      records = discoverInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(records[0].exists, true);
+      assert.strictEqual(records[0].state, null);
+      assert.ok(records[0].error.includes('Failed to read install-state'));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
  if (test('doctor reports missing managed files as an error', () => {
    const homeDir = createTempDir('install-lifecycle-home-');
    const projectRoot = createTempDir('install-lifecycle-project-');
@@ -184,6 +288,189 @@ function runTests() {
    }
  })) passed++; else failed++;

+  if (test('doctor reports target mismatches, missing sources, unverified operations, and version drift', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const actualTargetRoot = path.join(projectRoot, '.cursor');
+      const actualStatePath = path.join(actualTargetRoot, 'ecc-install-state.json');
+      const recordedTargetRoot = path.join(projectRoot, '.old-cursor');
+      const recordedStatePath = path.join(recordedTargetRoot, 'state.json');
+      const copyDestination = path.join(actualTargetRoot, 'rules', 'missing-source.md');
+      const customDestination = path.join(actualTargetRoot, 'custom.txt');
+
+      fs.mkdirSync(path.dirname(copyDestination), { recursive: true });
+      fs.writeFileSync(copyDestination, 'managed copy\n');
+      fs.writeFileSync(customDestination, 'custom\n');
+
+      writeState(actualStatePath, createCursorStateOptions(projectRoot, {
+        targetRoot: recordedTargetRoot,
+        installStatePath: recordedStatePath,
+        request: {
+          profile: 'missing-profile',
+          legacyLanguages: [],
+          legacyMode: false,
+        },
+        resolution: {
+          selectedModules: [],
+          skippedModules: [],
+        },
+        source: {
+          repoVersion: '0.0.1',
+          manifestVersion: CURRENT_MANIFEST_VERSION + 100,
+        },
+        operations: [
+          managedOperation('copy-file', copyDestination, {
+            sourceRelativePath: 'missing/source.md',
+            strategy: 'copy-file',
+          }),
+          managedOperation('custom-kind', customDestination),
+        ],
+      }));
+
+      const report = buildDoctorReport({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+      const codes = report.results[0].issues.map(issue => issue.code);
+
+      assert.strictEqual(report.results[0].status, 'error');
+      assert.ok(codes.includes('missing-target-root'));
+      assert.ok(codes.includes('target-root-mismatch'));
+      assert.ok(codes.includes('install-state-path-mismatch'));
+      assert.ok(codes.includes('missing-source-files'));
+      assert.ok(codes.includes('unverified-managed-operations'));
+      assert.ok(codes.includes('manifest-version-mismatch'));
+      assert.ok(codes.includes('repo-version-mismatch'));
+      assert.ok(codes.includes('resolution-unavailable'));
+      assert.strictEqual(report.summary.checkedCount, 1);
+      assert.ok(report.summary.errorCount >= 3);
+      assert.ok(report.summary.warningCount >= 4);
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('doctor verifies render-template and merge-json operations by content', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const templatePath = path.join(targetRoot, 'generated.txt');
+      const jsonPath = path.join(targetRoot, 'settings.json');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(templatePath, 'generated\n');
+      fs.writeFileSync(jsonPath, JSON.stringify({
+        keep: true,
+        nested: {
+          managed: true,
+          extra: true,
+        },
+      }, null, 2));
+
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('render-template', templatePath, {
+            renderedContent: 'generated\n',
+          }),
+          managedOperation('merge-json', jsonPath, {
+            mergePayload: {
+              nested: {
+                managed: true,
+              },
+            },
+          }),
+        ],
+      });
+
+      const report = buildDoctorReport({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(report.results[0].status, 'ok');
+      assert.strictEqual(report.results[0].issues.length, 0);
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('doctor classifies remove, unverified template/json, and invalid JSON operation health', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const templatePath = path.join(targetRoot, 'template.txt');
+      const missingPayloadJsonPath = path.join(targetRoot, 'missing-payload.json');
+      const invalidJsonPath = path.join(targetRoot, 'invalid.json');
+      const removedPath = path.join(targetRoot, 'already-removed.txt');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(templatePath, 'generated\n');
+      fs.writeFileSync(missingPayloadJsonPath, '{"managed":true}\n');
+      fs.writeFileSync(invalidJsonPath, '{not-json', 'utf8');
+
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('remove', removedPath),
+          managedOperation('render-template', templatePath),
+          managedOperation('merge-json', missingPayloadJsonPath),
+          managedOperation('merge-json', invalidJsonPath, {
+            mergePayload: { managed: true },
+          }),
+        ],
+      });
+
+      const report = buildDoctorReport({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+      const codes = report.results[0].issues.map(issue => issue.code);
+
+      assert.strictEqual(report.results[0].status, 'warning');
+      assert.ok(codes.includes('unverified-managed-operations'));
+      assert.ok(codes.includes('drifted-managed-files'));
+      assert.ok(!report.results[0].issues.some(issue => issue.code === 'missing-managed-files'));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('doctor reports invalid install-state files as errors', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const statePath = path.join(projectRoot, '.cursor', 'ecc-install-state.json');
+      fs.mkdirSync(path.dirname(statePath), { recursive: true });
+      fs.writeFileSync(statePath, '{"schemaVersion":"wrong"}\n');
+
+      const report = buildDoctorReport({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(report.results[0].status, 'error');
+      assert.ok(report.results[0].issues.some(issue => issue.code === 'invalid-install-state'));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
  if (test('doctor reports a healthy legacy install when managed files are present', () => {
    const homeDir = createTempDir('install-lifecycle-home-');
    const projectRoot = createTempDir('install-lifecycle-project-');
@@ -244,6 +531,201 @@ function runTests() {
    }
  })) passed++; else failed++;

+  if (test('repair dry-run reports planned copy repairs without writing files', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const destinationPath = path.join(targetRoot, 'rules', 'coding-style.md');
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('copy-file', destinationPath, {
+            sourceRelativePath: 'rules/common/coding-style.md',
+            strategy: 'copy-file',
+          }),
+        ],
+      });
+
+      const result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+        dryRun: true,
+      });
+
+      assert.strictEqual(result.dryRun, true);
+      assert.strictEqual(result.results[0].status, 'planned');
+      assert.deepStrictEqual(result.results[0].plannedRepairs, [destinationPath]);
+      assert.ok(!fs.existsSync(destinationPath));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('repair copies missing managed files from recorded source paths', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const destinationPath = path.join(targetRoot, 'rules', 'coding-style.md');
+      const sourcePath = path.join(REPO_ROOT, 'rules', 'common', 'coding-style.md');
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('copy-file', destinationPath, {
+            sourceRelativePath: 'rules/common/coding-style.md',
+            strategy: 'copy-file',
+          }),
+        ],
+      });
+
+      const result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(result.results[0].status, 'repaired');
+      assert.ok(fs.readFileSync(destinationPath).equals(fs.readFileSync(sourcePath)));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('repair reports invalid states, missing sources, unsupported operations, and no-op refreshes', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const invalidProjectRoot = createTempDir('install-lifecycle-invalid-');
+    const missingSourceProjectRoot = createTempDir('install-lifecycle-missing-source-');
+    const unsupportedProjectRoot = createTempDir('install-lifecycle-unsupported-');
+    const okProjectRoot = createTempDir('install-lifecycle-ok-');
+
+    try {
+      const invalidStatePath = path.join(invalidProjectRoot, '.cursor', 'ecc-install-state.json');
+      fs.mkdirSync(path.dirname(invalidStatePath), { recursive: true });
+      fs.writeFileSync(invalidStatePath, '{"schemaVersion":"wrong"}\n');
+
+      let result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot: invalidProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Invalid install-state'));
+
+      const missingDestination = path.join(missingSourceProjectRoot, '.cursor', 'rules', 'missing.md');
+      fs.mkdirSync(path.dirname(missingDestination), { recursive: true });
+      fs.writeFileSync(missingDestination, 'managed\n');
+      writeCursorState(missingSourceProjectRoot, {
+        operations: [
+          managedOperation('copy-file', missingDestination, {
+            sourceRelativePath: 'missing/source.md',
+            strategy: 'copy-file',
+          }),
+        ],
+      });
+      result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot: missingSourceProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Missing source file(s)'));
+
+      const unsupportedDestination = path.join(unsupportedProjectRoot, '.cursor', 'custom.txt');
+      writeCursorState(unsupportedProjectRoot, {
+        operations: [
+          managedOperation('custom-kind', unsupportedDestination),
+        ],
+      });
+      result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot: unsupportedProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Unsupported repair operation kind'));
+
+      writeCursorState(okProjectRoot, { operations: [] });
+      result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot: okProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'ok');
+      assert.strictEqual(result.results[0].stateRefreshed, true);
+      assert.strictEqual(result.summary.errorCount, 0);
+    } finally {
+      cleanup(homeDir);
+      cleanup(invalidProjectRoot);
+      cleanup(missingSourceProjectRoot);
+      cleanup(unsupportedProjectRoot);
+      cleanup(okProjectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('repair dry-run reports ok when no managed operations need changes', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      writeCursorState(projectRoot, { operations: [] });
+
+      const result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+        dryRun: true,
+      });
+
+      assert.strictEqual(result.results[0].status, 'ok');
+      assert.strictEqual(result.results[0].stateRefreshed, true);
+      assert.deepStrictEqual(result.results[0].plannedRepairs, []);
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('repair surfaces missing source errors from execution when destination is absent', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const destinationPath = path.join(projectRoot, '.cursor', 'rules', 'missing.md');
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('copy-file', destinationPath, {
+            sourceRelativePath: 'missing/source.md',
+            strategy: 'copy-file',
+          }),
+        ],
+      });
+
+      const result = repairInstalledStates({
+        repoRoot: REPO_ROOT,
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Missing source file for repair'));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
  if (test('doctor reports drifted managed files as a warning', () => {
    const homeDir = createTempDir('install-lifecycle-home-');
    const projectRoot = createTempDir('install-lifecycle-project-');
@@ -731,6 +1213,394 @@ function runTests() {
    }
  })) passed++; else failed++;

+  if (test('uninstall dry-run reports deduped managed removals without deleting files', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const destinationPath = path.join(targetRoot, 'rules', 'coding-style.md');
+      fs.mkdirSync(path.dirname(destinationPath), { recursive: true });
+      fs.writeFileSync(destinationPath, 'managed\n');
+      const { installStatePath } = writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('copy-file', destinationPath, { strategy: 'copy-file' }),
+          managedOperation('copy-file', destinationPath, { strategy: 'copy-file' }),
+        ],
+      });
+
+      const result = uninstallInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+        dryRun: true,
+      });
+
+      assert.strictEqual(result.dryRun, true);
+      assert.strictEqual(result.results[0].status, 'planned');
+      assert.deepStrictEqual(result.results[0].plannedRemovals, [
+        destinationPath,
+        installStatePath,
+      ]);
+      assert.ok(fs.existsSync(destinationPath));
+      assert.ok(fs.existsSync(installStatePath));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall reports invalid install states as errors', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const statePath = path.join(projectRoot, '.cursor', 'ecc-install-state.json');
+      fs.mkdirSync(path.dirname(statePath), { recursive: true });
+      fs.writeFileSync(statePath, '{not-json', 'utf8');
+
+      const result = uninstallInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Failed to read install-state'));
+      assert.strictEqual(result.summary.errorCount, 1);
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall removes copied files and cleans empty parent directories', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const destinationPath = path.join(targetRoot, 'rules', 'nested', 'managed.md');
+      fs.mkdirSync(path.dirname(destinationPath), { recursive: true });
+      fs.writeFileSync(destinationPath, 'managed\n');
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('copy-file', destinationPath, { strategy: 'copy-file' }),
+        ],
+      });
+
+      const result = uninstallInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(result.results[0].status, 'uninstalled');
+      assert.ok(result.results[0].removedPaths.includes(destinationPath));
+      assert.ok(!fs.existsSync(destinationPath));
+      assert.ok(!fs.existsSync(path.dirname(destinationPath)));
+      assert.ok(fs.existsSync(targetRoot));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall handles merge-json subset removal and full-file deletion', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const partialProjectRoot = createTempDir('install-lifecycle-partial-');
+    const fullProjectRoot = createTempDir('install-lifecycle-full-');
+
+    try {
+      let targetRoot = path.join(partialProjectRoot, '.cursor');
+      let destinationPath = path.join(targetRoot, 'settings.json');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(destinationPath, JSON.stringify({
+        keep: true,
+        managed: true,
+        nested: {
+          keep: true,
+          remove: true,
+        },
+        list: ['a', 'b'],
+      }, null, 2));
+      writeCursorState(partialProjectRoot, {
+        operations: [
+          managedOperation('merge-json', destinationPath, {
+            mergePayload: {
+              managed: true,
+              nested: { remove: true },
+              list: ['a', 'b'],
+            },
+          }),
+        ],
+      });
+
+      let result = uninstallInstalledStates({
+        homeDir,
+        projectRoot: partialProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'uninstalled');
+      assert.deepStrictEqual(JSON.parse(fs.readFileSync(destinationPath, 'utf8')), {
+        keep: true,
+        nested: {
+          keep: true,
+        },
+      });
+
+      targetRoot = path.join(fullProjectRoot, '.cursor');
+      destinationPath = path.join(targetRoot, 'settings.json');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(destinationPath, JSON.stringify({ managed: true }, null, 2));
+      writeCursorState(fullProjectRoot, {
+        operations: [
+          managedOperation('merge-json', destinationPath, {
+            mergePayload: { managed: true },
+          }),
+        ],
+      });
+
+      result = uninstallInstalledStates({
+        homeDir,
+        projectRoot: fullProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'uninstalled');
+      assert.ok(!fs.existsSync(destinationPath));
+    } finally {
+      cleanup(homeDir);
+      cleanup(partialProjectRoot);
+      cleanup(fullProjectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall handles merge-json edge shapes and absent destinations', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projects = [
+      createTempDir('install-lifecycle-current-primitive-'),
+      createTempDir('install-lifecycle-missing-key-'),
+      createTempDir('install-lifecycle-nested-delete-'),
+      createTempDir('install-lifecycle-array-root-'),
+      createTempDir('install-lifecycle-primitive-root-'),
+      createTempDir('install-lifecycle-absent-dest-'),
+      createTempDir('install-lifecycle-previous-json-'),
+    ];
+
+    try {
+      const cases = [
+        {
+          projectRoot: projects[0],
+          initial: '"plain"',
+          payload: { managed: true },
+          expected: 'plain',
+        },
+        {
+          projectRoot: projects[1],
+          initial: { keep: true },
+          payload: { missing: true },
+          expected: { keep: true },
+        },
+        {
+          projectRoot: projects[2],
+          initial: { keep: true, nested: { remove: true } },
+          payload: { nested: { remove: true } },
+          expected: { keep: true },
+        },
+        {
+          projectRoot: projects[3],
+          initial: ['a', 'b'],
+          payload: ['a', 'b'],
+          removed: true,
+        },
+        {
+          projectRoot: projects[4],
+          initial: true,
+          payload: true,
+          removed: true,
+        },
+        {
+          projectRoot: projects[5],
+          payload: { managed: true },
+          absent: true,
+        },
+        {
+          projectRoot: projects[6],
+          initial: { generated: true },
+          payload: { generated: true },
+          previousJson: { restored: true },
+          expected: { restored: true },
+        },
+      ];
+
+      for (const testCase of cases) {
+        const targetRoot = path.join(testCase.projectRoot, '.cursor');
+        const destinationPath = path.join(targetRoot, 'settings.json');
+        fs.mkdirSync(targetRoot, { recursive: true });
+        if (!testCase.absent) {
+          fs.writeFileSync(
+            destinationPath,
+            typeof testCase.initial === 'string'
+              ? `${testCase.initial}\n`
+              : JSON.stringify(testCase.initial, null, 2)
+          );
+        }
+        writeCursorState(testCase.projectRoot, {
+          operations: [
+            managedOperation('merge-json', destinationPath, {
+              mergePayload: testCase.payload,
+              previousJson: testCase.previousJson,
+            }),
+          ],
+        });
+
+        const result = uninstallInstalledStates({
+          homeDir,
+          projectRoot: testCase.projectRoot,
+          targets: ['cursor'],
+        });
+
+        assert.strictEqual(result.results[0].status, 'uninstalled');
+        if (testCase.removed || testCase.absent) {
+          assert.ok(!fs.existsSync(destinationPath));
+        } else {
+          assert.deepStrictEqual(JSON.parse(fs.readFileSync(destinationPath, 'utf8')), testCase.expected);
+        }
+      }
+    } finally {
+      cleanup(homeDir);
+      for (const projectRoot of projects) {
+        cleanup(projectRoot);
+      }
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall removes generated render-template files and no-backup remove operations are no-ops', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const templatePath = path.join(targetRoot, 'generated', 'plugin.json');
+      const removedPath = path.join(targetRoot, 'already-removed.txt');
+      fs.mkdirSync(path.dirname(templatePath), { recursive: true });
+      fs.writeFileSync(templatePath, '{"generated":true}\n');
+
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('render-template', templatePath, {
+            renderedContent: '{"generated":true}\n',
+          }),
+          managedOperation('remove', removedPath),
+        ],
+      });
+
+      const result = uninstallInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(result.results[0].status, 'uninstalled');
+      assert.ok(result.results[0].removedPaths.includes(templatePath));
+      assert.ok(!fs.existsSync(templatePath));
+      assert.ok(!fs.existsSync(path.dirname(templatePath)));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall restores previous JSON snapshots for template and remove operations', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const projectRoot = createTempDir('install-lifecycle-project-');
+
+    try {
+      const targetRoot = path.join(projectRoot, '.cursor');
+      const templatePath = path.join(targetRoot, 'plugin.json');
+      const removedPath = path.join(targetRoot, 'legacy.json');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(templatePath, '{"generated":true}\n');
+
+      writeCursorState(projectRoot, {
+        operations: [
+          managedOperation('render-template', templatePath, {
+            previousJson: { existing: true },
+            renderedContent: '{"generated":true}\n',
+          }),
+          managedOperation('remove', removedPath, {
+            previousJson: { restored: true },
+          }),
+        ],
+      });
+
+      const result = uninstallInstalledStates({
+        homeDir,
+        projectRoot,
+        targets: ['cursor'],
+      });
+
+      assert.strictEqual(result.results[0].status, 'uninstalled');
+      assert.deepStrictEqual(JSON.parse(fs.readFileSync(templatePath, 'utf8')), {
+        existing: true,
+      });
+      assert.deepStrictEqual(JSON.parse(fs.readFileSync(removedPath, 'utf8')), {
+        restored: true,
+      });
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall reports unsupported operations and missing merge payloads as errors', () => {
+    const homeDir = createTempDir('install-lifecycle-home-');
+    const unsupportedProjectRoot = createTempDir('install-lifecycle-unsupported-');
+    const missingPayloadProjectRoot = createTempDir('install-lifecycle-missing-payload-');
+
+    try {
+      let targetRoot = path.join(unsupportedProjectRoot, '.cursor');
+      let destinationPath = path.join(targetRoot, 'custom.txt');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(destinationPath, 'custom\n');
+      writeCursorState(unsupportedProjectRoot, {
+        operations: [
+          managedOperation('custom-kind', destinationPath),
+        ],
+      });
+
+      let result = uninstallInstalledStates({
+        homeDir,
+        projectRoot: unsupportedProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Unsupported uninstall operation kind'));
+
+      targetRoot = path.join(missingPayloadProjectRoot, '.cursor');
+      destinationPath = path.join(targetRoot, 'settings.json');
+      fs.mkdirSync(targetRoot, { recursive: true });
+      fs.writeFileSync(destinationPath, '{"managed":true}\n');
+      writeCursorState(missingPayloadProjectRoot, {
+        operations: [
+          managedOperation('merge-json', destinationPath),
+        ],
+      });
+
+      result = uninstallInstalledStates({
+        homeDir,
+        projectRoot: missingPayloadProjectRoot,
+        targets: ['cursor'],
+      });
+      assert.strictEqual(result.results[0].status, 'error');
+      assert.ok(result.results[0].error.includes('Missing merge payload for uninstall'));
+    } finally {
+      cleanup(homeDir);
+      cleanup(unsupportedProjectRoot);
+      cleanup(missingPayloadProjectRoot);
+    }
+  })) passed++; else failed++;
+
  console.log(`\nResults: Passed: ${passed}, Failed: ${failed}`);
  process.exit(failed > 0 ? 1 : 0);
 }
--- a/tests/lib/session-adapters.test.js
+++ b/tests/lib/session-adapters.test.js
@@ -6,8 +6,13 @@ const os = require('os');
 const path = require('path');

 const {
+  SESSION_SCHEMA_VERSION,
+  buildAggregates,
  getFallbackSessionRecordingPath,
-  persistCanonicalSnapshot
+  normalizeClaudeHistorySession,
+  normalizeDmuxSnapshot,
+  persistCanonicalSnapshot,
+  validateCanonicalSnapshot
 } = require('../../scripts/lib/session-adapters/canonical-session');
 const { createClaudeHistoryAdapter } = require('../../scripts/lib/session-adapters/claude-history');
 const { createDmuxTmuxAdapter } = require('../../scripts/lib/session-adapters/dmux-tmux');
@@ -55,6 +60,75 @@ function withHome(homeDir, fn) {
  }
 }

+function canonicalSnapshot(overrides = {}) {
+  const snapshot = {
+    schemaVersion: SESSION_SCHEMA_VERSION,
+    adapterId: 'test-adapter',
+    session: {
+      id: 'session-1',
+      kind: 'test',
+      state: 'active',
+      repoRoot: null,
+      sourceTarget: {
+        type: 'session',
+        value: 'session-1'
+      }
+    },
+    workers: [{
+      id: 'worker-1',
+      label: 'Worker 1',
+      state: 'running',
+      health: 'healthy',
+      branch: null,
+      worktree: null,
+      runtime: {
+        kind: 'test-runtime',
+        command: null,
+        pid: null,
+        active: true,
+        dead: false
+      },
+      intent: {
+        objective: 'Test objective',
+        seedPaths: []
+      },
+      outputs: {
+        summary: [],
+        validation: [],
+        remainingRisks: []
+      },
+      artifacts: {}
+    }]
+  };
+
+  snapshot.aggregates = buildAggregates(snapshot.workers);
+
+  if (overrides.session) {
+    snapshot.session = { ...snapshot.session, ...overrides.session };
+  }
+  if (overrides.sourceTarget) {
+    snapshot.session.sourceTarget = {
+      ...snapshot.session.sourceTarget,
+      ...overrides.sourceTarget
+    };
+  }
+  if (Object.prototype.hasOwnProperty.call(overrides, 'workers')) {
+    snapshot.workers = overrides.workers;
+    snapshot.aggregates = buildAggregates(Array.isArray(overrides.workers) ? overrides.workers : []);
+  }
+  if (overrides.aggregates) {
+    snapshot.aggregates = { ...snapshot.aggregates, ...overrides.aggregates };
+  }
+
+  for (const [key, value] of Object.entries(overrides)) {
+    if (!['session', 'sourceTarget', 'workers', 'aggregates'].includes(key)) {
+      snapshot[key] = value;
+    }
+  }
+
+  return snapshot;
+}
+
 test('dmux adapter normalizes orchestration snapshots into canonical form', () => {
  const recordingDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-session-recordings-'));

@@ -509,6 +583,324 @@ test('adapter registry lists adapter metadata and target types', () => {
  );
 });

+test('canonical snapshot validation rejects malformed required fields', () => {
+  const invalidCases = [
+    [null, /must be an object/],
+    [canonicalSnapshot({ schemaVersion: 'ecc.session.v0' }), /Unsupported canonical session schema version/],
+    [canonicalSnapshot({ adapterId: '' }), /adapterId/],
+    [canonicalSnapshot({ session: { id: '' } }), /session.id/],
+    [canonicalSnapshot({ session: { repoRoot: 42 } }), /session.repoRoot/],
+    [canonicalSnapshot({ sourceTarget: { type: '' } }), /session.sourceTarget.type/],
+    [(() => {
+      const snapshot = canonicalSnapshot();
+      snapshot.workers = [null];
+      snapshot.aggregates = { workerCount: 1, states: { unknown: 1 }, healths: { unknown: 1 } };
+      return snapshot;
+    })(), /workers\[0\] to be an object/],
+    [canonicalSnapshot({
+      workers: [{
+        ...canonicalSnapshot().workers[0],
+        branch: 7
+      }]
+    }), /workers\[0\].branch/],
+    [canonicalSnapshot({
+      workers: [{
+        ...canonicalSnapshot().workers[0],
+        runtime: {
+          ...canonicalSnapshot().workers[0].runtime,
+          command: 123
+        }
+      }]
+    }), /workers\[0\].runtime.command/],
+    [canonicalSnapshot({
+      workers: [{
+        ...canonicalSnapshot().workers[0],
+        runtime: {
+          ...canonicalSnapshot().workers[0].runtime,
+          active: 'yes'
+        }
+      }]
+    }), /workers\[0\].runtime.active/],
+    [canonicalSnapshot({
+      workers: [{
+        ...canonicalSnapshot().workers[0],
+        intent: {
+          objective: 'ok',
+          seedPaths: ['README.md', 123]
+        }
+      }]
+    }), /workers\[0\].intent.seedPaths/],
+    [canonicalSnapshot({
+      workers: [{
+        ...canonicalSnapshot().workers[0],
+        outputs: {
+          summary: [],
+          validation: 'nope',
+          remainingRisks: []
+        }
+      }]
+    }), /workers\[0\].outputs.validation/],
+    [canonicalSnapshot({ aggregates: { workerCount: 99 } }), /aggregates.workerCount to match/],
+    [canonicalSnapshot({ aggregates: { states: [] } }), /aggregates.states to be an object/],
+    [canonicalSnapshot({ aggregates: { states: { running: -1 } } }), /aggregates.states.running/],
+    [canonicalSnapshot({ aggregates: { healths: null } }), /aggregates.healths to be an object/]
+  ];
+
+  for (const [snapshot, pattern] of invalidCases) {
+    assert.throws(() => validateCanonicalSnapshot(snapshot), pattern);
+  }
+});
+
+function dmuxWorker(workerSlug, status = {}, overrides = {}) {
+  return {
+    workerSlug,
+    workerDir: `/tmp/${workerSlug}`,
+    status: {
+      state: 'running',
+      updated: new Date().toISOString(),
+      branch: null,
+      worktree: null,
+      ...status
+    },
+    task: {
+      objective: `${workerSlug} objective`,
+      seedPaths: ['README.md'],
+      ...(overrides.task || {})
+    },
+    handoff: {
+      summary: ['summary'],
+      validation: ['validation'],
+      remainingRisks: ['risk'],
+      ...(overrides.handoff || {})
+    },
+    files: {
+      status: `/tmp/${workerSlug}/status.md`,
+      task: `/tmp/${workerSlug}/task.md`,
+      handoff: `/tmp/${workerSlug}/handoff.md`,
+      ...(overrides.files || {})
+    },
+    pane: Object.prototype.hasOwnProperty.call(overrides, 'pane')
+      ? overrides.pane
+      : {
+          currentCommand: 'codex',
+          pid: 123,
+          active: true,
+          dead: false
+        }
+  };
+}
+
+function dmuxSnapshot(overrides = {}) {
+  return {
+    sessionName: 'edge-session',
+    repoRoot: '/tmp/repo',
+    sessionActive: false,
+    workerStates: {},
+    workerCount: 0,
+    workers: [],
+    ...overrides
+  };
+}
+
+test('dmux normalization covers missing failed idle and stale worker states', () => {
+  const sourceTarget = { type: 'session', value: 'edge-session' };
+
+  const missing = normalizeDmuxSnapshot(dmuxSnapshot(), sourceTarget);
+  assert.strictEqual(missing.session.state, 'missing');
+  assert.strictEqual(missing.aggregates.workerCount, 0);
+
+  const failed = normalizeDmuxSnapshot(dmuxSnapshot({
+    workerStates: { failed: 1 },
+    workerCount: 1,
+    workers: [
+      dmuxWorker('failure', { state: 'failed' }, { pane: null })
+    ]
+  }), sourceTarget);
+  assert.strictEqual(failed.session.state, 'failed');
+  assert.strictEqual(failed.workers[0].health, 'degraded');
+  assert.strictEqual(failed.workers[0].runtime.active, false);
+  assert.strictEqual(failed.workers[0].runtime.dead, false);
+
+  const idle = normalizeDmuxSnapshot(dmuxSnapshot({
+    workerStates: { running: 1, queued: 1 },
+    workerCount: 2,
+    workers: [
+      dmuxWorker('missing-update', { state: 'running', updated: undefined }),
+      dmuxWorker('stale-update', { state: 'active', updated: '2001-01-01T00:00:00Z' }),
+      dmuxWorker('dead-pane', { state: 'running' }, { pane: { dead: true, active: false } }),
+      dmuxWorker('mystery', { state: 'queued' }, {
+        task: { seedPaths: 'not-array' },
+        handoff: { summary: 'not-array', validation: null, remainingRisks: undefined },
+        pane: null
+      })
+    ]
+  }), sourceTarget);
+
+  assert.strictEqual(idle.session.state, 'idle');
+  assert.deepStrictEqual(
+    idle.workers.map(worker => worker.health),
+    ['stale', 'stale', 'degraded', 'unknown']
+  );
+  assert.deepStrictEqual(idle.workers[3].intent.seedPaths, []);
+  assert.deepStrictEqual(idle.workers[3].outputs.summary, []);
+
+  const completed = normalizeDmuxSnapshot(dmuxSnapshot({
+    workerStates: null,
+    workerCount: 2,
+    workers: [
+      dmuxWorker('done-a', { state: 'done' }),
+      dmuxWorker('done-b', { state: 'success' })
+    ]
+  }), sourceTarget);
+  assert.strictEqual(completed.session.state, 'completed');
+  assert.deepStrictEqual(completed.workers.map(worker => worker.health), ['healthy', 'healthy']);
+});
+
+test('claude history normalization falls back to filename ids and empty metadata defaults', () => {
+  const snapshot = normalizeClaudeHistorySession({
+    shortId: 'no-id',
+    filename: '2026-03-13-no-id-session.tmp',
+    sessionPath: '/tmp/2026-03-13-no-id-session.tmp',
+    metadata: {
+      title: '',
+      completed: 'not-array',
+      inProgress: ['Resume from filename fallback'],
+      context: '',
+      notes: ''
+    }
+  }, {
+    type: 'claude-history',
+    value: 'latest'
+  });
+
+  assert.strictEqual(snapshot.session.id, '2026-03-13-no-id-session');
+  assert.strictEqual(snapshot.workers[0].id, '2026-03-13-no-id-session');
+  assert.strictEqual(snapshot.workers[0].label, '2026-03-13-no-id-session.tmp');
+  assert.strictEqual(snapshot.workers[0].intent.objective, 'Resume from filename fallback');
+  assert.deepStrictEqual(snapshot.workers[0].intent.seedPaths, []);
+  assert.deepStrictEqual(snapshot.workers[0].outputs.summary, []);
+  assert.deepStrictEqual(snapshot.workers[0].outputs.remainingRisks, []);
+
+  const pathOnly = normalizeClaudeHistorySession({
+    sessionPath: '/tmp/path-only-session.tmp',
+    metadata: {
+      title: 'Path Only',
+      inProgress: ['Continue work'],
+      context: ' README.md \n\n scripts/ecc.js ',
+      notes: 'No risks'
+    }
+  }, {
+    type: 'claude-history',
+    value: '/tmp/path-only-session.tmp'
+  });
+
+  assert.strictEqual(pathOnly.session.id, 'path-only-session');
+  assert.strictEqual(pathOnly.workers[0].intent.objective, 'Continue work');
+  assert.deepStrictEqual(pathOnly.workers[0].intent.seedPaths, ['README.md', 'scripts/ecc.js']);
+  assert.deepStrictEqual(pathOnly.workers[0].outputs.remainingRisks, ['No risks']);
+});
+
+test('fallback recordings sanitize paths, use env dirs, and preserve changed history', () => {
+  const recordingDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-session-recordings-env-'));
+  const previousRecordingDir = process.env.ECC_SESSION_RECORDING_DIR;
+
+  try {
+    process.env.ECC_SESSION_RECORDING_DIR = recordingDir;
+    const first = canonicalSnapshot({
+      adapterId: 'adapter with spaces',
+      session: { id: 'session id/with:chars' }
+    });
+    const recordingPath = getFallbackSessionRecordingPath(first);
+    assert.ok(recordingPath.includes(`${path.sep}adapter_with_spaces${path.sep}`));
+    assert.ok(recordingPath.endsWith(`${path.sep}session_id_with_chars.json`));
+
+    fs.mkdirSync(path.dirname(recordingPath), { recursive: true });
+    fs.writeFileSync(recordingPath, '{not json', 'utf8');
+
+    const firstPersistence = persistCanonicalSnapshot(first, {
+      loadStateStoreImpl: () => null
+    });
+    const changed = canonicalSnapshot({
+      adapterId: 'adapter with spaces',
+      session: { id: 'session id/with:chars', state: 'idle' }
+    });
+    persistCanonicalSnapshot(changed, { loadStateStoreImpl: () => null });
+    persistCanonicalSnapshot(changed, { loadStateStoreImpl: () => null });
+
+    const persisted = JSON.parse(fs.readFileSync(recordingPath, 'utf8'));
+    assert.strictEqual(firstPersistence.backend, 'json-file');
+    assert.strictEqual(firstPersistence.path, recordingPath);
+    assert.strictEqual(persisted.schemaVersion, 'ecc.session.recording.v1');
+    assert.strictEqual(persisted.latest.session.state, 'idle');
+    assert.strictEqual(persisted.history.length, 2);
+    assert.strictEqual(persisted.history[0].snapshot.session.state, 'active');
+    assert.strictEqual(persisted.history[1].snapshot.session.state, 'idle');
+    assert.strictEqual(persisted.createdAt, persisted.history[0].recordedAt);
+  } finally {
+    if (typeof previousRecordingDir === 'string') {
+      process.env.ECC_SESSION_RECORDING_DIR = previousRecordingDir;
+    } else {
+      delete process.env.ECC_SESSION_RECORDING_DIR;
+    }
+    fs.rmSync(recordingDir, { recursive: true, force: true });
+  }
+});
+
+test('persistence supports skip mode, writer variants, and missing state-store fallback', () => {
+  const snapshot = canonicalSnapshot();
+  const skipped = persistCanonicalSnapshot(snapshot, { persist: false });
+  assert.deepStrictEqual(skipped, {
+    backend: 'skipped',
+    path: null,
+    recordedAt: null
+  });
+
+  const topLevelStore = {
+    calls: [],
+    recordCanonicalSessionSnapshot(snapshotArg, metadata) {
+      this.calls.push({ snapshot: snapshotArg, metadata });
+    }
+  };
+  const stateStoreResult = persistCanonicalSnapshot(snapshot, { stateStore: topLevelStore });
+  assert.strictEqual(stateStoreResult.backend, 'state-store');
+  assert.strictEqual(topLevelStore.calls.length, 1);
+  assert.strictEqual(topLevelStore.calls[0].metadata.sessionId, 'session-1');
+
+  const nestedStore = {
+    sessions: {
+      calls: [],
+      recordSessionSnapshot(snapshotArg, metadata) {
+        this.calls.push({ snapshot: snapshotArg, metadata });
+      }
+    }
+  };
+  persistCanonicalSnapshot(snapshot, { stateStore: nestedStore });
+  assert.strictEqual(nestedStore.sessions.calls.length, 1);
+
+  const noWriterDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-session-no-writer-'));
+  const missingModuleDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-session-missing-module-'));
+  try {
+    const noWriter = persistCanonicalSnapshot(snapshot, {
+      recordingDir: noWriterDir,
+      stateStore: { createStateStore() {} }
+    });
+    assert.strictEqual(noWriter.backend, 'json-file');
+
+    const missingModule = new Error("Cannot find module '../state-store'");
+    missingModule.code = 'MODULE_NOT_FOUND';
+    const fallback = persistCanonicalSnapshot(snapshot, {
+      recordingDir: missingModuleDir,
+      loadStateStoreImpl() {
+        throw missingModule;
+      }
+    });
+    assert.strictEqual(fallback.backend, 'json-file');
+  } finally {
+    fs.rmSync(noWriterDir, { recursive: true, force: true });
+    fs.rmSync(missingModuleDir, { recursive: true, force: true });
+  }
+});
+
 test('persistence only falls back when the state-store module is missing', () => {
  const snapshot = {
    schemaVersion: 'ecc.session.v1',
--- a/tests/plugin-manifest.test.js
+++ b/tests/plugin-manifest.test.js
@@ -19,7 +19,6 @@ const fs = require('fs');
 const path = require('path');

 const repoRoot = path.resolve(__dirname, '..');
-const repoRootWithSep = `${repoRoot}${path.sep}`;
 const packageJsonPath = path.join(repoRoot, 'package.json');
 const packageLockPath = path.join(repoRoot, 'package-lock.json');
 const rootAgentsPath = path.join(repoRoot, 'AGENTS.md');
@@ -70,16 +69,6 @@ function loadJsonObject(filePath, label) {
  return parsed;
 }

-function assertSafeRepoRelativePath(relativePath, label) {
-  const normalized = path.posix.normalize(relativePath.replace(/\\/g, '/'));
-
-  assert.ok(!path.isAbsolute(relativePath), `${label} must not be absolute: ${relativePath}`);
-  assert.ok(
-    !normalized.startsWith('../') && !normalized.includes('/../'),
-    `${label} must not traverse directories: ${relativePath}`,
-  );
-}
-
 function collectMarkdownFiles(rootPath) {
  if (!fs.existsSync(rootPath)) {
    return [];
Author	SHA1	Message	Date
Affaan Mustafa	aaaf52fb1e	test: cover session adapter edge cases	2026-04-29 18:21:31 -04:00
Affaan Mustafa	33edfd3bb3	test: cover session activity tracker edge paths	2026-04-29 18:15:51 -04:00
Affaan Mustafa	f92dc544c4	test: cover mcp health edge paths	2026-04-29 18:08:45 -04:00
Affaan Mustafa	1c2d5dd389	fix: fail open on insaits monitor errors	2026-04-29 18:03:33 -04:00
Affaan Mustafa	b40de37ccb	test: cover install lifecycle edge paths	2026-04-29 17:56:25 -04:00
Affaan Mustafa	63485a26bf	fix: support windows insaits python shims	2026-04-29 17:53:07 -04:00