src/agents/launcher.py

@@ -16,6 +16,62 @@ from ..plane_sync import notify_stage_change as plane_notify_stage, add_comment
 logger = logging.getLogger("orchestrator.launcher")
 
 
+def prune_run_logs(runs_dir, keep_days=30, keep_max=500, active_paths=None):
+    """L-2: best-effort rotation of per-run logs (<runs_dir>/*.log).
+
+    A log file is removed if it is older than keep_days OR it is not within the
+    keep_max most-recent logs (whichever condition is met first). Only *.log
+    files directly inside runs_dir are considered; non-.log files and
+    subdirectories are never touched. Files whose path is in active_paths (the
+    currently running log) are always kept.
+
+    Returns the number of files removed. Never raises: any error is logged and
+    swallowed so log rotation can never bring the app down.
+    """
+    removed = 0
+    try:
+        active = set()
+        for ap in (active_paths or []):
+            try:
+                active.add(os.path.realpath(ap))
+            except Exception:
+                active.add(ap)
+
+        if not os.path.isdir(runs_dir):
+            return 0
+
+        logs = []
+        for name in os.listdir(runs_dir):
+            if not name.endswith(".log"):
+                continue
+            path = os.path.join(runs_dir, name)
+            if not os.path.isfile(path):
+                continue
+            if os.path.realpath(path) in active:
+                continue
+            try:
+                mtime = os.path.getmtime(path)
+            except OSError:
+                continue
+            logs.append((path, mtime))
+
+        logs.sort(key=lambda t: t[1], reverse=True)
+
+        cutoff = time.time() - keep_days * 86400
+        for idx, (path, mtime) in enumerate(logs):
+            too_old = mtime < cutoff
+            over_max = idx >= keep_max
+            if too_old or over_max:
+                try:
+                    os.remove(path)
+                    removed += 1
+                except OSError as e:
+                    logger.warning(f"prune_run_logs: failed to remove {path}: {e}")
+    except Exception as e:
+        logger.warning(f"prune_run_logs failed for {runs_dir}: {e}")
+    return removed
+
+
 class AgentLauncher:
     """Launch Claude CLI agents directly (binary mounted into container)."""
 

src/config.py

@@ -66,6 +66,15 @@ class Settings(BaseSettings):
     agent_kill_grace_seconds: int = 20
     agent_timeout_overrides_json: str = ""
 
+    # L-2: run-log rotation. Old per-run logs in <data>/runs/*.log are pruned at
+    # app startup (best-effort). A *.log is removed if it is older than
+    # log_keep_days OR not within the log_keep_max most-recent logs (whichever
+    # hits first). Only *.log files are touched; the active run log is skipped.
+    #   log_keep_days -> max age in days (env ORCH_LOG_KEEP_DAYS).
+    #   log_keep_max  -> max number of newest logs to retain (env ORCH_LOG_KEEP_MAX).
+    log_keep_days: int = 30
+    log_keep_max: int = 500
+
 
     # Telegram notifications
     telegram_bot_token: str = ""

src/main.py

@@ -60,6 +60,22 @@ async def lifespan(app: FastAPI):
     if requeued:
         log.warning(f"Queue-recovery: requeued {requeued} running job(s) after restart")
 
+    # L-2: rotate old per-run logs at startup (best-effort; never fatal).
+    try:
+        import os as _os
+        from .config import settings as _settings
+        from .agents.launcher import prune_run_logs
+        _runs_dir = _os.path.join(_os.path.dirname(_settings.db_path), "runs")
+        _removed = prune_run_logs(
+            _runs_dir,
+            keep_days=_settings.log_keep_days,
+            keep_max=_settings.log_keep_max,
+        )
+        if _removed:
+            log.info(f"Log rotation: pruned {_removed} old run log(s) from {_runs_dir}")
+    except Exception as e:
+        log.warning(f"Log rotation skipped: {e}")
+
     # Start the background job-queue worker (ORCH-1).
     from .queue_worker import worker
     worker.start()

src/plane_sync.py

@@ -6,6 +6,12 @@ from .config import settings
 
 logger = logging.getLogger("orchestrator.plane_sync")
 
+# L-3: emoji literals used in Plane comment bodies, named for readability.
+# Message text stays byte-for-byte identical to the previous output.
+EMOJI_STAGE = "\U0001F504"      # stage transition
+EMOJI_QG_FAIL = "\u26A0\uFE0F"   # quality-gate failure
+EMOJI_DONE = "\u2705"           # task completed
+
 PLANE_BASE = f"{settings.plane_api_url}/api/v1"
 PLANE_HEADERS = {"X-API-Key": settings.plane_api_token}
 WORKSPACE = settings.plane_workspace_slug
@@ -194,7 +200,7 @@ def notify_stage_change(work_item_id: str, old_stage: str, new_stage: str, agent
     project_id = _resolve_project_id(work_item_id, project_id)
     update_issue_state(work_item_id, new_stage, project_id)
 
-    msg = f"🔄 Stage: {old_stage} → {new_stage}"
+    msg = f"{EMOJI_STAGE} Stage: {old_stage} → {new_stage}"
     if agent:
         msg += f" (launching {agent})"
 
@@ -232,11 +238,11 @@ def notify_stage_change(work_item_id: str, old_stage: str, new_stage: str, agent
 
 def notify_qg_failure(work_item_id: str, stage: str, check: str, reason: str, project_id: str = None):
     """Notify Plane about QG failure."""
-    add_comment(work_item_id, f"⚠️ QG failed at {stage}: {check} — {reason}", project_id)
+    add_comment(work_item_id, f"{EMOJI_QG_FAIL} QG failed at {stage}: {check} — {reason}", project_id)
 
 
 def notify_done(work_item_id: str, project_id: str = None):
     """Mark issue as Done in Plane."""
     project_id = _resolve_project_id(work_item_id, project_id)
     update_issue_state(work_item_id, "done", project_id)
-    add_comment(work_item_id, "✅ Task completed! PR merged and deployed.", project_id)
+    add_comment(work_item_id, f"{EMOJI_DONE} Task completed! PR merged and deployed.", project_id)

src/stages.py

@@ -5,7 +5,7 @@ Stages:
 
 Each stage defines:
   - next: the stage to advance to
-  - agent: the agent to launch when entering the NEXT stage
+  - agent: the agent to launch when advancing FROM this stage (NOT the next stage's agent)
   - qg: the quality gate check required to leave this stage
 """
 

tests/test_log_rotation.py

@@ -0,0 +1,92 @@
+"""L-2: tests for prune_run_logs (run-log rotation).
+
+Verifies that old / surplus *.log files are removed while fresh logs, non-.log
+files, the active log, and subdirectories are left intact. Function is
+best-effort and must never raise.
+"""
+import os
+import time
+
+from src.agents.launcher import prune_run_logs
+
+
+def _touch(path, age_days=0):
+    with open(path, "w") as f:
+        f.write("x")
+    mtime = time.time() - age_days * 86400
+    os.utime(path, (mtime, mtime))
+    return path
+
+
+def test_old_logs_removed_fresh_kept(tmp_path):
+    runs = tmp_path
+    fresh = _touch(str(runs / "1.log"), age_days=1)
+    old = _touch(str(runs / "2.log"), age_days=40)
+
+    removed = prune_run_logs(str(runs), keep_days=30, keep_max=500)
+
+    assert removed == 1
+    assert os.path.exists(fresh)
+    assert not os.path.exists(old)
+
+
+def test_non_log_files_untouched(tmp_path):
+    runs = tmp_path
+    old_log = _touch(str(runs / "stale.log"), age_days=99)
+    keep_txt = _touch(str(runs / "notes.txt"), age_days=99)
+    keep_db = _touch(str(runs / "orchestrator.db"), age_days=99)
+
+    prune_run_logs(str(runs), keep_days=30, keep_max=500)
+
+    assert not os.path.exists(old_log)
+    assert os.path.exists(keep_txt)
+    assert os.path.exists(keep_db)
+
+
+def test_keep_max_retains_newest(tmp_path):
+    runs = tmp_path
+    # 5 logs, all recent (within keep_days), increasing age 0..4 days.
+    paths = []
+    for i in range(5):
+        paths.append(_touch(str(runs / f"{i}.log"), age_days=i))
+
+    removed = prune_run_logs(str(runs), keep_days=365, keep_max=2)
+
+    # Only the 2 newest (age 0, 1) survive.
+    assert removed == 3
+    assert os.path.exists(paths[0])
+    assert os.path.exists(paths[1])
+    for p in paths[2:]:
+        assert not os.path.exists(p)
+
+
+def test_active_log_never_removed(tmp_path):
+    runs = tmp_path
+    active = _touch(str(runs / "active.log"), age_days=99)
+    other = _touch(str(runs / "other.log"), age_days=99)
+
+    removed = prune_run_logs(
+        str(runs), keep_days=30, keep_max=500, active_paths=[active]
+    )
+
+    assert removed == 1
+    assert os.path.exists(active)
+    assert not os.path.exists(other)
+
+
+def test_subdirs_untouched(tmp_path):
+    runs = tmp_path
+    sub = runs / "sub.log"
+    sub.mkdir()  # a directory that happens to end in .log
+    old_log = _touch(str(runs / "old.log"), age_days=99)
+
+    prune_run_logs(str(runs), keep_days=30, keep_max=500)
+
+    assert sub.is_dir()
+    assert not os.path.exists(old_log)
+
+
+def test_missing_dir_is_noop(tmp_path):
+    missing = tmp_path / "does-not-exist"
+    # Must not raise.
+    assert prune_run_logs(str(missing)) == 0