fix: harden trae install ownership

chore: pin actions to commit SHAs and add Skills section to CLAUDE.md

.github/workflows/ci.yml

@@ -34,10 +34,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Node.js ${{ matrix.node }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: ${{ matrix.node }}
 
@@ -68,7 +68,7 @@ jobs:
 
       - name: Cache npm
         if: matrix.pm == 'npm'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ${{ steps.npm-cache-dir.outputs.dir }}
           key: ${{ runner.os }}-node-${{ matrix.node }}-npm-${{ hashFiles('**/package-lock.json') }}
@@ -83,7 +83,7 @@ jobs:
 
       - name: Cache pnpm
         if: matrix.pm == 'pnpm'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ${{ steps.pnpm-cache-dir.outputs.dir }}
           key: ${{ runner.os }}-node-${{ matrix.node }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
@@ -104,7 +104,7 @@ jobs:
 
       - name: Cache yarn
         if: matrix.pm == 'yarn'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ${{ steps.yarn-cache-dir.outputs.dir }}
           key: ${{ runner.os }}-node-${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
@@ -113,7 +113,7 @@ jobs:
 
       - name: Cache bun
         if: matrix.pm == 'bun'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ~/.bun/install/cache
           key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
@@ -146,7 +146,7 @@ jobs:
       # Upload test artifacts on failure
       - name: Upload test artifacts
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: test-results-${{ matrix.os }}-node${{ matrix.node }}-${{ matrix.pm }}
           path: |
@@ -160,10 +160,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20.x'
 
@@ -205,10 +205,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20.x'
 
@@ -223,10 +223,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20.x'
 

.github/workflows/maintenance.yml

@@ -15,8 +15,8 @@ jobs:
     name: Check Dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20.x'
       - name: Check for outdated packages
@@ -26,8 +26,8 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20.x'
       - name: Run security audit
@@ -43,7 +43,7 @@ jobs:
     name: Stale Issues/PRs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9
         with:
           stale-issue-message: 'This issue is stale due to inactivity.'
           stale-pr-message: 'This PR is stale due to inactivity.'

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 0
 

.github/workflows/reusable-release.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 0
 

.github/workflows/reusable-test.yml

@@ -27,10 +27,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: ${{ inputs.node-version }}
 
@@ -59,7 +59,7 @@ jobs:
 
       - name: Cache npm
         if: inputs.package-manager == 'npm'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ${{ steps.npm-cache-dir.outputs.dir }}
           key: ${{ runner.os }}-node-${{ inputs.node-version }}-npm-${{ hashFiles('**/package-lock.json') }}
@@ -74,7 +74,7 @@ jobs:
 
       - name: Cache pnpm
         if: inputs.package-manager == 'pnpm'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ${{ steps.pnpm-cache-dir.outputs.dir }}
           key: ${{ runner.os }}-node-${{ inputs.node-version }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
@@ -95,7 +95,7 @@ jobs:
 
       - name: Cache yarn
         if: inputs.package-manager == 'yarn'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ${{ steps.yarn-cache-dir.outputs.dir }}
           key: ${{ runner.os }}-node-${{ inputs.node-version }}-yarn-${{ hashFiles('**/yarn.lock') }}
@@ -104,7 +104,7 @@ jobs:
 
       - name: Cache bun
         if: inputs.package-manager == 'bun'
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ~/.bun/install/cache
           key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
@@ -134,7 +134,7 @@ jobs:
 
       - name: Upload test artifacts
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: test-results-${{ inputs.os }}-node${{ inputs.node-version }}-${{ inputs.package-manager }}
           path: |

.github/workflows/reusable-validate.yml

@@ -17,10 +17,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: ${{ inputs.node-version }}
 

.trae/install.sh

@@ -39,6 +39,40 @@ ensure_manifest_entry() {
     fi
 }
 
+manifest_has_entry() {
+    local manifest="$1"
+    local entry="$2"
+
+    [ -f "$manifest" ] && grep -Fqx "$entry" "$manifest"
+}
+
+copy_managed_file() {
+    local source_path="$1"
+    local target_path="$2"
+    local manifest="$3"
+    local manifest_entry="$4"
+    local make_executable="${5:-0}"
+
+    local already_managed=0
+    if manifest_has_entry "$manifest" "$manifest_entry"; then
+        already_managed=1
+    fi
+
+    if [ -f "$target_path" ]; then
+        if [ "$already_managed" -eq 1 ]; then
+            ensure_manifest_entry "$manifest" "$manifest_entry"
+        fi
+        return 1
+    fi
+
+    cp "$source_path" "$target_path"
+    if [ "$make_executable" -eq 1 ]; then
+        chmod +x "$target_path"
+    fi
+    ensure_manifest_entry "$manifest" "$manifest_entry"
+    return 0
+}
+
 # Install function
 do_install() {
     local target_dir="$PWD"
@@ -95,12 +129,8 @@ do_install() {
             [ -f "$f" ] || continue
             local_name=$(basename "$f")
             target_path="$trae_full_path/commands/$local_name"
-            if [ ! -f "$target_path" ]; then
-                cp "$f" "$target_path"
-                ensure_manifest_entry "$MANIFEST" "commands/$local_name"
+            if copy_managed_file "$f" "$target_path" "$MANIFEST" "commands/$local_name"; then
                 commands=$((commands + 1))
-            else
-                ensure_manifest_entry "$MANIFEST" "commands/$local_name"
             fi
         done
     fi
@@ -111,12 +141,8 @@ do_install() {
             [ -f "$f" ] || continue
             local_name=$(basename "$f")
             target_path="$trae_full_path/agents/$local_name"
-            if [ ! -f "$target_path" ]; then
-                cp "$f" "$target_path"
-                ensure_manifest_entry "$MANIFEST" "agents/$local_name"
+            if copy_managed_file "$f" "$target_path" "$MANIFEST" "agents/$local_name"; then
                 agents=$((agents + 1))
-            else
-                ensure_manifest_entry "$MANIFEST" "agents/$local_name"
             fi
         done
     fi
@@ -134,11 +160,9 @@ do_install() {
                 target_path="$target_skill_dir/$relative_path"
 
                 mkdir -p "$(dirname "$target_path")"
-                if [ ! -f "$target_path" ]; then
-                    cp "$source_file" "$target_path"
+                if copy_managed_file "$source_file" "$target_path" "$MANIFEST" "skills/$skill_name/$relative_path"; then
                     skill_copied=1
                 fi
-                ensure_manifest_entry "$MANIFEST" "skills/$skill_name/$relative_path"
             done < <(find "$d" -type f | sort)
 
             if [ "$skill_copied" -eq 1 ]; then
@@ -154,11 +178,9 @@ do_install() {
             target_path="$trae_full_path/rules/$relative_path"
 
             mkdir -p "$(dirname "$target_path")"
-            if [ ! -f "$target_path" ]; then
-                cp "$rule_file" "$target_path"
+            if copy_managed_file "$rule_file" "$target_path" "$MANIFEST" "rules/$relative_path"; then
                 rules=$((rules + 1))
             fi
-            ensure_manifest_entry "$MANIFEST" "rules/$relative_path"
         done < <(find "$REPO_ROOT/rules" -type f | sort)
     fi
 
@@ -167,12 +189,8 @@ do_install() {
         if [ -f "$readme_file" ]; then
             local_name=$(basename "$readme_file")
             target_path="$trae_full_path/$local_name"
-            if [ ! -f "$target_path" ]; then
-                cp "$readme_file" "$target_path"
-                ensure_manifest_entry "$MANIFEST" "$local_name"
+            if copy_managed_file "$readme_file" "$target_path" "$MANIFEST" "$local_name"; then
                 other=$((other + 1))
-            else
-                ensure_manifest_entry "$MANIFEST" "$local_name"
             fi
         fi
     done
@@ -182,13 +200,8 @@ do_install() {
         if [ -f "$script_file" ]; then
             local_name=$(basename "$script_file")
             target_path="$trae_full_path/$local_name"
-            if [ ! -f "$target_path" ]; then
-                cp "$script_file" "$target_path"
-                chmod +x "$target_path"
-                ensure_manifest_entry "$MANIFEST" "$local_name"
+            if copy_managed_file "$script_file" "$target_path" "$MANIFEST" "$local_name" 1; then
                 other=$((other + 1))
-            else
-                ensure_manifest_entry "$MANIFEST" "$local_name"
             fi
         fi
     done

CLAUDE.md

@@ -59,3 +59,14 @@ Follow the formats in CONTRIBUTING.md:
 - Hooks: JSON with matcher and hooks array
 
 File naming: lowercase with hyphens (e.g., `python-reviewer.md`, `tdd-workflow.md`)
+
+## Skills
+
+Use the following skills when working on related files:
+
+| File(s) | Skill |
+|---------|-------|
+| `README.md` | `/readme` |
+| `.github/workflows/*.yml` | `/ci-workflow` |
+
+When spawning subagents, always pass conventions from the respective skill into the agent's prompt.

README.md

@@ -295,7 +295,7 @@ everything-claude-code/
 |   |-- plugin.json         # Plugin metadata and component paths
 |   |-- marketplace.json    # Marketplace catalog for /plugin marketplace add
 |
-|-- agents/           # 29 specialized subagents for delegation
+|-- agents/           # 30 specialized subagents for delegation
 |   |-- planner.md           # Feature implementation planning
 |   |-- architect.md         # System design decisions
 |   |-- tdd-guide.md         # Test-driven development

scripts/codex-git-hooks/pre-push

@@ -16,6 +16,20 @@ if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
   exit 0
 fi
 
+# Skip checks for branch deletion pushes (e.g., git push origin --delete <branch>).
+# The pre-push hook receives lines on stdin: <local ref> <local sha> <remote ref> <remote sha>.
+# For deletions, the local sha is the zero OID.
+is_delete_only=true
+while read -r _local_ref local_sha _remote_ref _remote_sha; do
+  if [[ "$local_sha" != "0000000000000000000000000000000000000000" ]]; then
+    is_delete_only=false
+    break
+  fi
+done
+if [[ "$is_delete_only" == "true" ]]; then
+  exit 0
+fi
+
 ran_any_check=0
 
 log() {

skills/continuous-learning-v2/agents/start-observer.sh

@@ -36,7 +36,11 @@ PYTHON_CMD="${CLV2_PYTHON_CMD:-}"
 # ─────────────────────────────────────────────
 
 CONFIG_DIR="${HOME}/.claude/homunculus"
-CONFIG_FILE="${SKILL_ROOT}/config.json"
+if [ -n "${CLV2_CONFIG:-}" ]; then
+  CONFIG_FILE="$CLV2_CONFIG"
+else
+  CONFIG_FILE="${SKILL_ROOT}/config.json"
+fi
 # PID file is project-scoped so each project can have its own observer
 PID_FILE="${PROJECT_DIR}/.observer.pid"
 LOG_FILE="${PROJECT_DIR}/observer.log"

skills/token-budget-advisor/SKILL.md

@@ -1,20 +1,18 @@
 ---
 name: token-budget-advisor
 description: >-
-  Intercepts the response flow to offer the user an informed choice about
-  how much depth/tokens to consume — BEFORE responding. Use this skill
-  when the user wants to control token consumption, adjust response depth,
-  choose between short/long answers, or optimize their prompt.
-  TRIGGER when: "token budget", "response token budget", "token count",
-  "token usage", "response length", "response depth", "brief answer",
-  "short answer", "detailed answer", "full answer",
-  "respuesta corta vs larga", "cuántos tokens", "ahorrar tokens",
-  "responde al 50%", "dame la versión corta", "quiero controlar cuánto usas",
-  "75%", "100%", "at 25%", "at 50%", "at 75%", "at 100%",
-  "give me the full answer", or any variant where the user wants
-  to control length, depth, or token usage — even without mentioning tokens.
+  Offers the user an informed choice about how much response depth to
+  consume before answering. Use this skill when the user explicitly
+  wants to control response length, depth, or token budget.
+  TRIGGER when: "token budget", "token count", "token usage", "token limit",
+  "response length", "answer depth", "short version", "brief answer",
+  "detailed answer", "exhaustive answer", "respuesta corta vs larga",
+  "cuántos tokens", "ahorrar tokens", "responde al 50%", "dame la versión
+  corta", "quiero controlar cuánto usas", or clear variants where the
+  user is explicitly asking to control answer size or depth.
   DO NOT TRIGGER when: user has already specified a level in the current
-  session (maintain it) or the request is clearly a one-word answer.
+  session (maintain it), the request is clearly a one-word answer, or
+  "token" refers to auth/session/payment tokens rather than response size.
 origin: community
 ---
 
@@ -35,12 +33,14 @@ Intercept the response flow to offer the user a choice about response depth **be
 
 ### Step 1 — Estimate input tokens
 
-Use the repository's canonical estimation guidance from `skills/context-budget`.
+Use the repository's canonical context-budget heuristics to estimate the prompt's token count mentally.
 
-- Prose-first prompts: `input_tokens ≈ word_count × 1.3`
-- Code-heavy or mixed prompts: `input_tokens ≈ char_count / 4`
+Use the same calibration guidance as [context-budget](../context-budget/SKILL.md):
 
-For mixed content, prefer the code-heavy estimate as the conservative default.
+- prose: `words × 1.3`
+- code-heavy or mixed/code blocks: `chars / 4`
+
+For mixed content, use the dominant content type and keep the estimate heuristic.
 
 ### Step 2 — Estimate response size by complexity
 
@@ -72,7 +72,7 @@ Choose your depth level:
 [3] Detailed    (75%)  ->  ~[tokens]   Full answer with alternatives
 [4] Exhaustive (100%)  ->  ~[tokens]   Everything, no limits
 
-Which level? (1-4 or say "25%", "50%", "75%", "100%")
+Which level? (1-4 or say "25% depth", "50% depth", "75% depth", "100% depth")
 
 Precision: heuristic estimate ~85-90% accuracy (±15%).
 ```
@@ -98,10 +98,10 @@ If the user already signals a level, respond at that level immediately without a
 
 | What they say                                      | Level |
 |----------------------------------------------------|-------|
-| "1" / "25%" / "short answer" / "brief" / "tldr" / "one-liner" | 25% |
-| "2" / "50%" / "moderate detail" / "balanced answer" | 50% |
-| "3" / "75%" / "detailed answer" / "thorough explanation" | 75% |
-| "4" / "100%" / "exhaustive" / "everything" / "full answer" | 100% |
+| "1" / "25% depth" / "short version" / "brief answer" / "tldr"  | 25%   |
+| "2" / "50% depth" / "moderate depth" / "balanced answer"        | 50%   |
+| "3" / "75% depth" / "detailed answer" / "thorough answer"       | 75%   |
+| "4" / "100% depth" / "exhaustive answer" / "full deep dive"     | 100%  |
 
 If the user set a level earlier in the session, **maintain it silently** for subsequent responses unless they change it.
 
@@ -113,19 +113,21 @@ This skill uses heuristic estimation — no real tokenizer. Accuracy ~85-90%, va
 
 ### Triggers
 
-- "Give me the brief answer first."
-- "How many tokens will your response use?"
+- "Give me the short version first."
+- "How many tokens will your answer use?"
 - "Respond at 50% depth."
-- "I want the full answer."
-- "Dame la version corta."
+- "I want the exhaustive answer, not the summary."
+- "Dame la version corta y luego la detallada."
 
 ### Does Not Trigger
 
-- "Explain OAuth token refresh flow." (`token` here is domain language, not a budget request)
-- "Why is this JWT token invalid?" (security/domain usage, not response sizing)
-- "What is 2 + 2?" (trivially short answer)
+- "What is a JWT token?"
+- "The checkout flow uses a payment token."
+- "Is this normal?"
+- "Complete the refactor."
+- Follow-up questions after the user already chose a depth for the session
 
 ## Source
 
 Standalone skill from [TBA — Token Budget Advisor for Claude Code](https://github.com/Xabilimon1/Token-Budget-Advisor-Claude-Code-).
-The upstream project includes an optional estimator script, but this ECC skill intentionally stays zero-dependency and heuristic-only.
+Original project also ships a Python estimator script, but this repository keeps the skill self-contained and heuristic-only.

tests/scripts/trae-install.test.js

@@ -0,0 +1,179 @@
+/**
+ * Tests for .trae/install.sh and .trae/uninstall.sh
+ */
+
+const assert = require('assert');
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+const { execFileSync } = require('child_process');
+
+const REPO_ROOT = path.join(__dirname, '..', '..');
+const INSTALL_SCRIPT = path.join(REPO_ROOT, '.trae', 'install.sh');
+const UNINSTALL_SCRIPT = path.join(REPO_ROOT, '.trae', 'uninstall.sh');
+
+function createTempDir(prefix) {
+  return fs.mkdtempSync(path.join(os.tmpdir(), prefix));
+}
+
+function cleanup(dirPath) {
+  fs.rmSync(dirPath, { recursive: true, force: true });
+}
+
+function runInstall(options = {}) {
+  return execFileSync('bash', [INSTALL_SCRIPT, ...(options.args || [])], {
+    cwd: options.cwd,
+    env: {
+      ...process.env,
+      HOME: options.homeDir || process.env.HOME,
+    },
+    encoding: 'utf8',
+    stdio: ['pipe', 'pipe', 'pipe'],
+    timeout: 20000,
+  });
+}
+
+function runUninstall(options = {}) {
+  return execFileSync('bash', [UNINSTALL_SCRIPT, ...(options.args || [])], {
+    cwd: options.cwd,
+    env: {
+      ...process.env,
+      HOME: options.homeDir || process.env.HOME,
+    },
+    encoding: 'utf8',
+    input: options.input || 'y\n',
+    stdio: ['pipe', 'pipe', 'pipe'],
+    timeout: 20000,
+  });
+}
+
+function readManifestLines(projectRoot) {
+  const manifestPath = path.join(projectRoot, '.trae', '.ecc-manifest');
+  return fs.readFileSync(manifestPath, 'utf8')
+    .split(/\r?\n/)
+    .map((line) => line.trim())
+    .filter(Boolean);
+}
+
+function test(name, fn) {
+  try {
+    fn();
+    console.log(`  \u2713 ${name}`);
+    return true;
+  } catch (error) {
+    console.log(`  \u2717 ${name}`);
+    console.log(`    Error: ${error.message}`);
+    return false;
+  }
+}
+
+function runTests() {
+  console.log('\n=== Testing Trae install/uninstall scripts ===\n');
+
+  let passed = 0;
+  let failed = 0;
+
+  if (process.platform === 'win32') {
+    console.log('  - skipped on Windows; Trae shell scripts are Unix-only');
+    console.log(`\nResults: Passed: ${passed}, Failed: ${failed}`);
+    process.exit(0);
+  }
+
+  if (test('does not claim ownership of preexisting target files', () => {
+    const homeDir = createTempDir('trae-home-');
+    const projectRoot = createTempDir('trae-project-');
+
+    try {
+      const preexistingCommandPath = path.join(projectRoot, '.trae', 'commands', 'e2e.md');
+      fs.mkdirSync(path.dirname(preexistingCommandPath), { recursive: true });
+      fs.writeFileSync(preexistingCommandPath, 'user owned command\n');
+
+      runInstall({ cwd: projectRoot, homeDir });
+
+      const manifestLines = readManifestLines(projectRoot);
+      assert.ok(!manifestLines.includes('commands/e2e.md'), 'Preexisting file should not be recorded in manifest');
+
+      runUninstall({ cwd: projectRoot, homeDir });
+
+      assert.strictEqual(fs.readFileSync(preexistingCommandPath, 'utf8'), 'user owned command\n');
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('records nested skill files and the full rules tree in the manifest', () => {
+    const homeDir = createTempDir('trae-home-');
+    const projectRoot = createTempDir('trae-project-');
+
+    try {
+      runInstall({ cwd: projectRoot, homeDir });
+
+      const manifestLines = readManifestLines(projectRoot);
+      assert.ok(manifestLines.includes('skills/skill-comply/pyproject.toml'));
+      assert.ok(manifestLines.includes('rules/common/code-review.md'));
+      assert.ok(manifestLines.includes('rules/python/coding-style.md'));
+      assert.ok(manifestLines.includes('rules/zh/README.md'));
+
+      assert.ok(fs.existsSync(path.join(projectRoot, '.trae', 'skills', 'skill-comply', 'pyproject.toml')));
+      assert.ok(fs.existsSync(path.join(projectRoot, '.trae', 'rules', 'python', 'coding-style.md')));
+      assert.ok(fs.existsSync(path.join(projectRoot, '.trae', 'rules', 'zh', 'README.md')));
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('reinstall preserves managed manifest coverage without duplicate entries', () => {
+    const homeDir = createTempDir('trae-home-');
+    const projectRoot = createTempDir('trae-project-');
+
+    try {
+      runInstall({ cwd: projectRoot, homeDir });
+
+      const managedCommandPath = path.join(projectRoot, '.trae', 'commands', 'e2e.md');
+      fs.rmSync(managedCommandPath);
+
+      runInstall({ cwd: projectRoot, homeDir });
+
+      const manifestLines = readManifestLines(projectRoot);
+      const entryCount = manifestLines.filter((line) => line === 'commands/e2e.md').length;
+
+      assert.strictEqual(entryCount, 1, 'Managed file should appear once in manifest after reinstall');
+      assert.ok(fs.existsSync(managedCommandPath), 'Managed file should be recreated on reinstall');
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+    }
+  })) passed++; else failed++;
+
+  if (test('uninstall rejects manifest entries that escape the Trae root via symlink traversal', () => {
+    const homeDir = createTempDir('trae-home-');
+    const projectRoot = createTempDir('trae-project-');
+    const externalRoot = createTempDir('trae-outside-');
+
+    try {
+      const traeRoot = path.join(projectRoot, '.trae');
+      fs.mkdirSync(traeRoot, { recursive: true });
+
+      const outsideSecretPath = path.join(externalRoot, 'secret.txt');
+      fs.writeFileSync(outsideSecretPath, 'do not remove\n');
+      fs.symlinkSync(externalRoot, path.join(traeRoot, 'escape-link'));
+      fs.writeFileSync(path.join(traeRoot, '.ecc-manifest'), 'escape-link/secret.txt\n.ecc-manifest\n');
+
+      const stdout = runUninstall({ cwd: projectRoot, homeDir });
+
+      assert.ok(stdout.includes('Skipped: escape-link/secret.txt (invalid manifest entry)'));
+      assert.strictEqual(fs.readFileSync(outsideSecretPath, 'utf8'), 'do not remove\n');
+    } finally {
+      cleanup(homeDir);
+      cleanup(projectRoot);
+      cleanup(externalRoot);
+    }
+  })) passed++; else failed++;
+
+  console.log(`\nResults: Passed: ${passed}, Failed: ${failed}`);
+  process.exit(failed > 0 ? 1 : 0);
+}
+
+runTests();