chore: add project planning-with-files hooks

.codex/hooks/codex_hook_adapter.py

@@ -0,0 +1,91 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import json
+import os
+import subprocess
+import sys
+from pathlib import Path
+from typing import Any
+
+
+HOOK_DIR = Path(__file__).resolve().parent
+
+
+def load_payload() -> dict[str, Any]:
+    raw = sys.stdin.read().strip()
+    if not raw:
+        return {}
+    try:
+        payload = json.loads(raw)
+    except json.JSONDecodeError:
+        return {}
+    return payload if isinstance(payload, dict) else {}
+
+
+def cwd_from_payload(payload: dict[str, Any]) -> Path:
+    cwd = payload.get("cwd")
+    if isinstance(cwd, str) and cwd:
+        return Path(cwd)
+    return Path.cwd()
+
+
+def session_id_from_payload(payload: dict[str, Any]) -> str | None:
+    sid = payload.get("session_id")
+    if isinstance(sid, str) and sid:
+        return sid
+    env_sid = os.environ.get("PWF_SESSION_ID", "")
+    return env_sid if env_sid else None
+
+
+def is_session_attached(root: Path, session_id: str | None) -> bool:
+    """Return True if this session should receive plan context.
+
+    Legacy mode: if .planning/sessions/ does not exist, always return True so
+    existing single-session users are not broken on upgrade.
+    Isolation mode: return True only when the session has an attached sentinel.
+    """
+    sessions_dir = root / ".planning" / "sessions"
+    if not sessions_dir.exists():
+        return True  # legacy — no sessions dir means single-session setup
+    if not session_id:
+        return False  # sessions dir exists but caller has no ID — stay silent
+    return (sessions_dir / f"{session_id}.attached").exists()
+
+
+def emit_json(payload: dict[str, Any]) -> None:
+    if not payload:
+        return
+    json.dump(payload, sys.stdout, ensure_ascii=False)
+    sys.stdout.write("\n")
+
+
+def parse_json(text: str) -> dict[str, Any]:
+    if not text.strip():
+        return {}
+    try:
+        payload = json.loads(text)
+    except json.JSONDecodeError:
+        return {}
+    return payload if isinstance(payload, dict) else {}
+
+
+def run_shell_script(script_name: str, cwd: Path) -> tuple[str, str]:
+    result = subprocess.run(
+        ["sh", str(HOOK_DIR / script_name)],
+        cwd=str(cwd),
+        text=True,
+        capture_output=True,
+        check=False,
+    )
+    return result.stdout.strip(), result.stderr.strip()
+
+
+def main_guard(func) -> int:
+    try:
+        func()
+    except Exception as exc:  # pragma: no cover
+        print(f"[planning-with-files hook] {exc}", file=sys.stderr)
+        return 0
+    return 0
+