fix: port continuous-learning observer fixes

Ports continuous-learning observer signal, storage, remote normalization, and v1 deprecation fixes onto current main.
2026-05-15 13:23:13 +08:00 · 2026-05-11 03:35:42 -04:00
parent e674a7dbd7
commit 12e1bc424d
17 changed files with 512 additions and 56 deletions
--- a/skills/continuous-learning-v2/SKILL.md
+++ b/skills/continuous-learning-v2/SKILL.md
@@ -26,7 +26,7 @@ An advanced learning system that turns your Claude Code sessions into reusable k

 | Feature | v2.0 | v2.1 |
 |---------|------|------|
-| Storage | Global (~/.claude/homunculus/) | Project-scoped (projects/<hash>/) |
+| Storage | Global (`~/.claude/homunculus/`) | Project-scoped (`${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/projects/<hash>/`) |
 | Scope | All instincts apply everywhere | Project-scoped + global |
 | Detection | None | git remote URL / repo path |
 | Promotion | N/A | Project → global when seen in 2+ projects |
@@ -132,7 +132,21 @@ The system automatically detects your current project:
 3. **`git rev-parse --show-toplevel`** -- fallback using repo path (machine-specific)
 4. **Global fallback** -- if no project is detected, instincts go to global scope

-Each project gets a 12-character hash ID (e.g., `a1b2c3d4e5f6`). A registry file at `~/.claude/homunculus/projects.json` maps IDs to human-readable names.
+Each project gets a 12-character hash ID (e.g., `a1b2c3d4e5f6`). A registry file at `${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/projects.json` maps IDs to human-readable names.
+
+### Data Directory
+
+Continuous-learning-v2 stores observer data outside `~/.claude` so Claude Code's sensitive-path guard does not block background instinct writes:
+
+1. `CLV2_HOMUNCULUS_DIR` when set to an absolute path
+2. `$XDG_DATA_HOME/ecc-homunculus`
+3. `$HOME/.local/share/ecc-homunculus`
+
+Existing users with data at `~/.claude/homunculus` can migrate once:
+
+```bash
+bash skills/continuous-learning-v2/scripts/migrate-homunculus.sh
+```

 ## Quick Start

@@ -173,7 +187,7 @@ The system creates directories automatically on first use, but you can also crea

 ```bash
 # Global directories
-mkdir -p ~/.claude/homunculus/{instincts/{personal,inherited},evolved/{agents,skills,commands},projects}
+mkdir -p "${XDG_DATA_HOME:-$HOME/.local/share}/ecc-homunculus"/{instincts/{personal,inherited},evolved/{agents,skills,commands},projects}

 # Project directories are auto-created when the hook first runs in a git repo
 ```
@@ -226,7 +240,7 @@ Other behavior (observation capture, instinct thresholds, project scoping, promo
 ## File Structure

 ```
-~/.claude/homunculus/
+${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/
 +-- identity.json           # Your profile, technical level
 +-- projects.json           # Registry: project hash -> name/path/remote
 +-- observations.jsonl      # Global observations (fallback)
@@ -322,7 +336,7 @@ Hooks fire **100% of the time**, deterministically. This means:
 ## Backward Compatibility

 v2.1 is fully compatible with v2.0 and v1:
- Existing global instincts in `~/.claude/homunculus/instincts/` still work as global instincts
+- Existing global instincts can be migrated from `~/.claude/homunculus/instincts/` with `scripts/migrate-homunculus.sh`
 - Existing `~/.claude/skills/learned/` skills from v1 still work
 - Stop hook still runs (but now also feeds into v2)
 - Gradual migration: run both in parallel
--- a/skills/continuous-learning-v2/agents/observer-loop.sh
+++ b/skills/continuous-learning-v2/agents/observer-loop.sh
@@ -10,6 +10,7 @@ unset CLAUDECODE

 SLEEP_PID=""
 USR1_FIRED=0
+PENDING_ANALYSIS=0
 ANALYZING=0
 LAST_ANALYSIS_EPOCH=0
 # Minimum seconds between analyses (prevents rapid re-triggering)
@@ -258,14 +259,17 @@ PROMPT
 on_usr1() {
  [ -n "$SLEEP_PID" ] && kill "$SLEEP_PID" 2>/dev/null
  SLEEP_PID=""
-  USR1_FIRED=1

-  # Re-entrancy guard: skip if analysis is already running (#521)
+  # Re-entrancy guard: defer the nudge so the main loop runs a follow-up
+  # analysis immediately after the current analysis finishes.
  if [ "$ANALYZING" -eq 1 ]; then
-    echo "[$(date)] Analysis already in progress, skipping signal" >> "$LOG_FILE"
+    PENDING_ANALYSIS=1
+    echo "[$(date)] Analysis already in progress, deferring signal" >> "$LOG_FILE"
    return
  fi

+  USR1_FIRED=1
+
  # Cooldown: skip if last analysis was too recent (#521)
  now_epoch=$(date +%s)
  elapsed=$(( now_epoch - LAST_ANALYSIS_EPOCH ))
@@ -290,6 +294,17 @@ SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"

 while true; do
  exit_if_idle_without_sessions
+
+  if [ "$PENDING_ANALYSIS" -eq 1 ]; then
+    PENDING_ANALYSIS=0
+    USR1_FIRED=0
+    ANALYZING=1
+    analyze_observations
+    LAST_ANALYSIS_EPOCH=$(date +%s)
+    ANALYZING=0
+    continue
+  fi
+
  sleep "$OBSERVER_INTERVAL_SECONDS" &
  SLEEP_PID=$!
  wait "$SLEEP_PID" 2>/dev/null
@@ -299,6 +314,9 @@ while true; do
  if [ "$USR1_FIRED" -eq 1 ]; then
    USR1_FIRED=0
  else
+    ANALYZING=1
    analyze_observations
+    LAST_ANALYSIS_EPOCH=$(date +%s)
+    ANALYZING=0
  fi
 done
--- a/skills/continuous-learning-v2/agents/observer.md
+++ b/skills/continuous-learning-v2/agents/observer.md
@@ -17,8 +17,8 @@ A background agent that analyzes observations from Claude Code sessions to detec
 ## Input

 Reads observations from the **project-scoped** observations file:
- Project: `~/.claude/homunculus/projects/<project-hash>/observations.jsonl`
- Global fallback: `~/.claude/homunculus/observations.jsonl`
+- Project: `${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/projects/<project-hash>/observations.jsonl`
+- Global fallback: `${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/observations.jsonl`

 ```jsonl
 {"timestamp":"2025-01-22T10:30:00Z","event":"tool_start","session":"abc123","tool":"Edit","input":"...","project_id":"a1b2c3d4e5f6","project_name":"my-react-app"}
@@ -66,8 +66,8 @@ When certain tools are consistently preferred:
 ## Output

 Creates/updates instincts in the **project-scoped** instincts directory:
- Project: `~/.claude/homunculus/projects/<project-hash>/instincts/personal/`
- Global: `~/.claude/homunculus/instincts/personal/` (for universal patterns)
+- Project: `${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/projects/<project-hash>/instincts/personal/`
+- Global: `${XDG_DATA_HOME:-~/.local/share}/ecc-homunculus/instincts/personal/` (for universal patterns)

 ### Project-Scoped Instinct (default)

--- a/skills/continuous-learning-v2/agents/start-observer.sh
+++ b/skills/continuous-learning-v2/agents/start-observer.sh
@@ -35,9 +35,13 @@ PYTHON_CMD="${CLV2_PYTHON_CMD:-}"
 # Configuration
 # ─────────────────────────────────────────────

-CONFIG_DIR="${HOME}/.claude/homunculus"
+# shellcheck disable=SC1091
+. "${SKILL_ROOT}/scripts/lib/homunculus-dir.sh"
+CONFIG_DIR="$(_ecc_resolve_homunculus_dir)"
 if [ -n "${CLV2_CONFIG:-}" ]; then
  CONFIG_FILE="$CLV2_CONFIG"
+elif [ -f "${CONFIG_DIR}/config.json" ]; then
+  CONFIG_FILE="${CONFIG_DIR}/config.json"
 else
  CONFIG_FILE="${SKILL_ROOT}/config.json"
 fi
--- a/skills/continuous-learning-v2/hooks/observe.sh
+++ b/skills/continuous-learning-v2/hooks/observe.sh
@@ -115,7 +115,9 @@ fi
 # Sourcing detect-project.sh creates project-scoped directories and updates
 # projects.json, so automated sessions must return before that point.

-CONFIG_DIR="${HOME}/.claude/homunculus"
+# shellcheck disable=SC1091
+. "$(dirname "$0")/../scripts/lib/homunculus-dir.sh"
+CONFIG_DIR="$(_ecc_resolve_homunculus_dir)"

 # Skip if disabled (check both default and CLV2_CONFIG-derived locations)
 if [ -f "$CONFIG_DIR/disabled" ]; then
@@ -344,10 +346,12 @@ if [ -f "${CONFIG_DIR}/disabled" ]; then
  OBSERVER_ENABLED=false
 else
  OBSERVER_ENABLED=false
-  CONFIG_FILE="${SKILL_ROOT}/config.json"
-  # Allow CLV2_CONFIG override
  if [ -n "${CLV2_CONFIG:-}" ]; then
    CONFIG_FILE="$CLV2_CONFIG"
+  elif [ -f "${CONFIG_DIR}/config.json" ]; then
+    CONFIG_FILE="${CONFIG_DIR}/config.json"
+  else
+    CONFIG_FILE="${SKILL_ROOT}/config.json"
  fi
  # Use effective config path for both existence check and reading
  EFFECTIVE_CONFIG="$CONFIG_FILE"
--- a/skills/continuous-learning-v2/scripts/detect-project.sh
+++ b/skills/continuous-learning-v2/scripts/detect-project.sh
@@ -19,7 +19,9 @@
 #   3. git repo root path (fallback, machine-specific)
 #   4. "global" (no project context detected)

-_CLV2_HOMUNCULUS_DIR="${HOME}/.claude/homunculus"
+# shellcheck disable=SC1091
+. "$(dirname "${BASH_SOURCE[0]}")/lib/homunculus-dir.sh"
+_CLV2_HOMUNCULUS_DIR="$(_ecc_resolve_homunculus_dir)"
 _CLV2_PROJECTS_DIR="${_CLV2_HOMUNCULUS_DIR}/projects"
 _CLV2_REGISTRY_FILE="${_CLV2_HOMUNCULUS_DIR}/projects.json"

@@ -49,6 +51,30 @@ export CLV2_PYTHON_CMD
 CLV2_OBSERVER_PROMPT_PATTERN='Can you confirm|requires permission|Awaiting (user confirmation|confirmation|approval|permission)|confirm I should proceed|once granted access|grant.*access'
 export CLV2_OBSERVER_PROMPT_PATTERN

+_clv2_normalize_remote_url() {
+  local url="$1"
+  [ -z "$url" ] && return 0
+
+  local is_network=0
+  case "$url" in
+    file://*) is_network=0 ;;
+    *://*) is_network=1 ;;
+    *@*:*) is_network=1 ;;
+    *) is_network=0 ;;
+  esac
+
+  url=$(printf '%s' "$url" | sed -E 's|://[^@]+@|://|')
+  url=$(printf '%s' "$url" | sed -E 's|^[A-Za-z][A-Za-z0-9+.-]*://||')
+  url=$(printf '%s' "$url" | sed -E 's|^[^@/:]+@([^:/]+):|\1/|')
+  url=$(printf '%s' "$url" | sed -E 's|\.git/?$||; s|/+$||')
+
+  if [ "$is_network" = "1" ]; then
+    printf '%s' "$url" | tr '[:upper:]' '[:lower:]'
+  else
+    printf '%s' "$url"
+  fi
+}
+
 _clv2_detect_project() {
  local project_root=""
  local project_name=""
@@ -94,15 +120,20 @@ _clv2_detect_project() {
    fi
  fi

-  # Compute hash from the original remote URL (legacy, for backward compatibility)
-  local legacy_hash_input="${remote_url:-$project_root}"
+  local raw_remote_url="$remote_url"

  # Strip embedded credentials from remote URL (e.g., https://ghp_xxxx@github.com/...)
  if [ -n "$remote_url" ]; then
    remote_url=$(printf '%s' "$remote_url" | sed -E 's|://[^@]+@|://|')
  fi

-  local hash_input="${remote_url:-$project_root}"
+  local legacy_hash_input="${remote_url:-$project_root}"
+  local normalized_remote=""
+  if [ -n "$remote_url" ]; then
+    normalized_remote=$(_clv2_normalize_remote_url "$remote_url")
+  fi
+
+  local hash_input="${normalized_remote:-${remote_url:-$project_root}}"
  # Prefer Python for consistent SHA256 behavior across shells/platforms.
  # Pass the value via env var and encode as UTF-8 inside Python so the hash
  # is locale-independent (shells vary between UTF-8 / CP932 / CP1252, which
@@ -122,19 +153,33 @@ print(hashlib.sha256(s.encode("utf-8")).hexdigest()[:12])
                 echo "fallback")
  fi

-  # Backward compatibility: if credentials were stripped and the hash changed,
-  # check if a project dir exists under the legacy hash and reuse it
-  if [ "$legacy_hash_input" != "$hash_input" ] && [ -n "$_CLV2_PYTHON_CMD" ]; then
-    local legacy_id=""
-    legacy_id=$(_CLV2_HASH_INPUT="$legacy_hash_input" "$_CLV2_PYTHON_CMD" -c '
+  # Backward compatibility: migrate a single legacy project directory from
+  # credential-stripped or raw remote hashes to the normalized remote hash.
+  if [ -n "$_CLV2_PYTHON_CMD" ] && [ ! -d "${_CLV2_PROJECTS_DIR}/${project_id}" ]; then
+    local legacy_inputs=()
+    [ -n "$legacy_hash_input" ] && [ "$legacy_hash_input" != "$hash_input" ] \
+      && legacy_inputs+=("$legacy_hash_input")
+    [ -n "$raw_remote_url" ] && [ "$raw_remote_url" != "$hash_input" ] \
+      && [ "$raw_remote_url" != "$legacy_hash_input" ] \
+      && legacy_inputs+=("$raw_remote_url")
+
+    local legacy_input legacy_id
+    for legacy_input in "${legacy_inputs[@]}"; do
+      legacy_id=$(_CLV2_HASH_INPUT="$legacy_input" "$_CLV2_PYTHON_CMD" -c '
 import os, hashlib
 s = os.environ["_CLV2_HASH_INPUT"]
 print(hashlib.sha256(s.encode("utf-8")).hexdigest()[:12])
 ' 2>/dev/null)
-    if [ -n "$legacy_id" ] && [ -d "${_CLV2_PROJECTS_DIR}/${legacy_id}" ] && [ ! -d "${_CLV2_PROJECTS_DIR}/${project_id}" ]; then
-      # Migrate legacy directory to new hash
-      mv "${_CLV2_PROJECTS_DIR}/${legacy_id}" "${_CLV2_PROJECTS_DIR}/${project_id}" 2>/dev/null || project_id="$legacy_id"
-    fi
+      if [ -n "$legacy_id" ] && [ "$legacy_id" != "$project_id" ] \
+         && [ -d "${_CLV2_PROJECTS_DIR}/${legacy_id}" ]; then
+        if mv "${_CLV2_PROJECTS_DIR}/${legacy_id}" "${_CLV2_PROJECTS_DIR}/${project_id}" 2>/dev/null; then
+          break
+        else
+          project_id="$legacy_id"
+          break
+        fi
+      fi
+    done
  fi

  # Export results
--- a/skills/continuous-learning-v2/scripts/instinct-cli.py
+++ b/skills/continuous-learning-v2/scripts/instinct-cli.py
@@ -38,7 +38,48 @@ except ImportError:
 # Configuration
 # ─────────────────────────────────────────────

-HOMUNCULUS_DIR = Path.home() / ".claude" / "homunculus"
+def _resolve_homunculus_dir() -> Path:
+    override = os.environ.get("CLV2_HOMUNCULUS_DIR")
+    if override:
+        if Path(override).is_absolute():
+            return Path(override)
+        print(f"[ecc] CLV2_HOMUNCULUS_DIR={override!r} is not absolute; ignoring", file=sys.stderr)
+
+    xdg = os.environ.get("XDG_DATA_HOME")
+    if xdg:
+        if Path(xdg).is_absolute():
+            return Path(xdg) / "ecc-homunculus"
+        print(f"[ecc] XDG_DATA_HOME={xdg!r} is not absolute; ignoring", file=sys.stderr)
+
+    return Path.home() / ".local" / "share" / "ecc-homunculus"
+
+
+def _strip_remote_credentials(remote_url: str) -> str:
+    return re.sub(r"://[^@]+@", "://", remote_url or "")
+
+
+def _normalize_remote_url(remote_url: str) -> str:
+    if not remote_url:
+        return ""
+
+    is_network = (
+        not remote_url.startswith("file://")
+        and ("://" in remote_url or re.match(r"^[^@/:]+@[^:/]+:", remote_url) is not None)
+    )
+    normalized = _strip_remote_credentials(remote_url)
+    normalized = re.sub(r"^[A-Za-z][A-Za-z0-9+.-]*://", "", normalized)
+    normalized = re.sub(r"^[^@/:]+@([^:/]+):", r"\1/", normalized)
+    normalized = re.sub(r"\.git/?$", "", normalized)
+    normalized = re.sub(r"/+$", "", normalized)
+
+    return normalized.lower() if is_network else normalized
+
+
+def _project_hash(value: str) -> str:
+    return hashlib.sha256(value.encode("utf-8")).hexdigest()[:12]
+
+
+HOMUNCULUS_DIR = _resolve_homunculus_dir()
 PROJECTS_DIR = HOMUNCULUS_DIR / "projects"
 REGISTRY_FILE = HOMUNCULUS_DIR / "projects.json"

@@ -177,11 +218,35 @@ def detect_project() -> dict:
    except (subprocess.TimeoutExpired, FileNotFoundError):
        pass

-    hash_source = remote_url if remote_url else project_root
-    project_id = hashlib.sha256(hash_source.encode()).hexdigest()[:12]
+    raw_remote_url = remote_url
+    if remote_url:
+        remote_url = _strip_remote_credentials(remote_url)
+
+    legacy_hash_source = remote_url if remote_url else project_root
+    normalized_remote = _normalize_remote_url(remote_url) if remote_url else ""
+    hash_source = normalized_remote if normalized_remote else legacy_hash_source
+    project_id = _project_hash(hash_source)

    project_dir = PROJECTS_DIR / project_id

+    if not project_dir.exists():
+        legacy_sources = []
+        if legacy_hash_source and legacy_hash_source != hash_source:
+            legacy_sources.append(legacy_hash_source)
+        if raw_remote_url and raw_remote_url not in {hash_source, legacy_hash_source}:
+            legacy_sources.append(raw_remote_url)
+
+        for legacy_source in legacy_sources:
+            legacy_id = _project_hash(legacy_source)
+            legacy_dir = PROJECTS_DIR / legacy_id
+            if legacy_id != project_id and legacy_dir.exists():
+                try:
+                    legacy_dir.rename(project_dir)
+                except OSError:
+                    project_id = legacy_id
+                    project_dir = legacy_dir
+                break
+
    # Ensure project directory structure
    for d in [
        project_dir / "instincts" / "personal",
--- a/skills/continuous-learning-v2/scripts/lib/homunculus-dir.sh
+++ b/skills/continuous-learning-v2/scripts/lib/homunculus-dir.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# Shared continuous-learning-v2 data-directory resolver.
+#
+# Resolution precedence:
+#   1. CLV2_HOMUNCULUS_DIR, when absolute
+#   2. XDG_DATA_HOME/ecc-homunculus, when XDG_DATA_HOME is absolute
+#   3. HOME/.local/share/ecc-homunculus
+
+_ecc_resolve_homunculus_dir() {
+  if [ -n "${CLV2_HOMUNCULUS_DIR:-}" ]; then
+    case "$CLV2_HOMUNCULUS_DIR" in
+      /*) printf '%s\n' "$CLV2_HOMUNCULUS_DIR"; return 0 ;;
+      *) printf '[ecc] CLV2_HOMUNCULUS_DIR=%s is not absolute; ignoring\n' "$CLV2_HOMUNCULUS_DIR" >&2 ;;
+    esac
+  fi
+
+  if [ -n "${XDG_DATA_HOME:-}" ]; then
+    case "$XDG_DATA_HOME" in
+      /*) printf '%s/ecc-homunculus\n' "$XDG_DATA_HOME"; return 0 ;;
+      *) printf '[ecc] XDG_DATA_HOME=%s is not absolute; ignoring\n' "$XDG_DATA_HOME" >&2 ;;
+    esac
+  fi
+
+  case "${HOME:-}" in
+    /*) printf '%s/.local/share/ecc-homunculus\n' "$HOME" ;;
+    *)
+      printf '[ecc] HOME=%s is not absolute; cannot resolve homunculus dir\n' "${HOME:-}" >&2
+      return 1
+      ;;
+  esac
+}
--- a/skills/continuous-learning-v2/scripts/migrate-homunculus.sh
+++ b/skills/continuous-learning-v2/scripts/migrate-homunculus.sh
@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+# One-shot migration from the legacy Claude config tree into the
+# continuous-learning-v2 data directory.
+set -euo pipefail
+
+OLD="${HOME}/.claude/homunculus"
+
+# shellcheck disable=SC1091
+. "$(dirname "$0")/lib/homunculus-dir.sh"
+NEW="$(_ecc_resolve_homunculus_dir)"
+
+if [ "$NEW" = "$OLD" ]; then
+  echo "Resolved destination equals source ($OLD); nothing to migrate."
+  exit 0
+fi
+
+if [ ! -d "$OLD" ]; then
+  echo "Nothing to migrate (no $OLD)."
+  exit 0
+fi
+
+if command -v pgrep >/dev/null 2>&1; then
+  if pgrep -f "${HOME}.*observer-loop\\.sh" >/dev/null 2>&1; then
+    echo "Refusing to migrate: observer-loop.sh is running." >&2
+    echo "Exit all Claude Code sessions, then re-run." >&2
+    exit 1
+  fi
+else
+  echo "Warning: pgrep not available; skipping running-observer check." >&2
+fi
+
+mkdir -p "$(dirname "$NEW")"
+
+if [ ! -d "$NEW" ]; then
+  mv "$OLD" "$NEW"
+  echo "Moved $OLD -> $NEW"
+elif [ -z "$(ls -A "$NEW" 2>/dev/null || true)" ]; then
+  rmdir "$NEW"
+  mv "$OLD" "$NEW"
+  echo "Moved $OLD -> $NEW (replaced empty destination)"
+else
+  old_count="$(find "$OLD" -type f 2>/dev/null | wc -l | tr -d ' ')"
+  new_count="$(find "$NEW" -type f 2>/dev/null | wc -l | tr -d ' ')"
+  echo "Refusing to migrate: both paths exist with content." >&2
+  echo "  Old: $OLD ($old_count files)" >&2
+  echo "  New: $NEW ($new_count files)" >&2
+  echo "Resolve manually, then re-run." >&2
+  exit 1
+fi
+
+settings="${HOME}/.claude/settings.json"
+if [ -f "$settings" ] && grep -q '"CLV2_CONFIG"' "$settings" 2>/dev/null; then
+  if grep -q '\.claude/homunculus' "$settings" 2>/dev/null; then
+    cat >&2 <<WARN
+
+Advisory: ~/.claude/settings.json still sets CLV2_CONFIG under the old path.
+Update it to: ${NEW}/config.json
+(Not editing settings.json automatically.)
+
+WARN
+  fi
+fi
--- a/skills/continuous-learning/SKILL.md
+++ b/skills/continuous-learning/SKILL.md
@@ -1,10 +1,18 @@
 ---
 name: continuous-learning
-description: Automatically extract reusable patterns from Claude Code sessions and save them as learned skills for future use.
+description: "[DEPRECATED - use continuous-learning-v2] Legacy v1 stop-hook skill extractor. v2 is a strict superset with instinct-based, project-scoped, hook-reliable learning. Do not invoke v1; route continuous learning, session learning, and pattern extraction requests to continuous-learning-v2."
 origin: ECC
 ---

-# Continuous Learning Skill
+# Continuous Learning Skill - DEPRECATED
+
+> **DEPRECATED 2026-04-28.** Use `continuous-learning-v2` instead. v2 is a strict superset: stop-hook observation becomes PreToolUse/PostToolUse observation, full skills become atomic instincts with confidence scoring, and global-only storage becomes project-scoped plus global promotion.
+>
+> This file is kept for archival reference and backward compatibility with existing installs.
+
+---
+
+## Original v1 Documentation (archival)

 Automatically evaluates Claude Code sessions on end to extract reusable patterns that can be saved as learned skills.