emrg: fix evolution count always 0 — aggregate scheduler handler logs

Agent.md

@@ -93,7 +93,7 @@ Community needs voiced in HN agent-UI discussions map directly to EMRG's design:
 pkill -f "emrg.server"; rm -f ~/.emrg/emrgd.port; python -m emrg
 ```
 
-Python: `uv run pytest tests/ -v` (572) — import check: `uv run python -c "from emrg.client.app import run_client"`
+Python: `uv run pytest tests/ -v` (573) — import check: `uv run python -c "from emrg.client.app import run_client"`
 GUI: `cd emrg/gui && npm test` (93: 22 daemon_client + 22 app-commands + 24 renderer smoke + 15 i18n + 7 integration + 3 commands) — syntax: `node --check main.js preload.js daemon_client.js renderer/js/*.js`
 CI: `uv run pytest` + GUI tests + **actionlint workflow lint** (`rhysd/actionlint@v1.7.12` gate, #444 — workflow 解析错误在 PR CI 即失败，如 `if:` secrets 上下文)
 Re-trigger: `scripts/re-trigger-ci.sh [branch]` (workflow_dispatch, #527 — 替代空 commit 重触发：Actions outage 会整段丢弃 push 事件，dispatch 走 API 路径不受影响)

README.md

@@ -273,7 +273,7 @@ EMRG doesn't just keep up — it catches up on its own.
 git clone https://github.com/argszero/emrg.git
 cd emrg
 uv sync              # install deps
-uv run pytest tests/ -v   # run tests (currently 572 items)
+uv run pytest tests/ -v   # run tests (currently 573 items)
 uv run python -m emrg     # launch TUI
 # CI includes actionlint workflow gate (#444): workflow parse errors fail PR CI
 

emrg/server/daemon.py

@@ -286,6 +286,25 @@ async def serve(self) -> None:
             except OSError:
                 pass
 
+    def _evolution_count(self) -> int:
+        """Total completed evolution cycles across scheduler handlers.
+
+        The daemon's own ``self.evolutions`` list is a legacy from the
+        pre-scheduler BackgroundThread design (#95) and is never appended;
+        the scheduler's handlers own the real per-cycle logs. Aggregate from
+        the scheduler, falling back to the legacy list only when the
+        scheduler is unavailable (e.g. test harnesses mock it away).
+        """
+        sched = getattr(self, "_scheduler", None)
+        if sched is not None:
+            try:
+                total = sched.total_evolutions()
+                if isinstance(total, int):
+                    return total
+            except Exception:
+                pass
+        return len(self.evolutions)
+
     async def _handle_client(self, ws) -> None:
         """Handle a single WebSocket client connection.
 
@@ -907,7 +926,7 @@ async def _process_message(
                     "branch_id": self.identity.branch_id,
                 },
                 uptime_seconds=max(0, elapsed),
-                evolution_count=len(self.evolutions),
+                evolution_count=self._evolution_count(),
             )
             await self._send(ws, {
                 "type": "pong",
@@ -1165,13 +1184,13 @@ async def _process_message(
                         continue
                 await self._send(ws, {
                     "type": "evolution_summary",
-                    "count": len(self.evolutions),
+                    "count": self._evolution_count(),
                     "recent": recent,
                 })
             except OSError:
                 await self._send(ws, {
                     "type": "evolution_summary",
-                    "count": len(self.evolutions),
+                    "count": self._evolution_count(),
                     "recent": [],
                 })
 

emrg/server/scheduler.py

@@ -874,6 +874,10 @@ def list_tasks(self) -> list[dict]:
         """Return status for all running handlers."""
         return [handler.status() for handler in self._handlers]
 
+    def total_evolutions(self) -> int:
+        """Total completed evolution cycles across all running handlers."""
+        return sum(len(handler.evolutions) for handler in self._handlers)
+
     async def wait_all(self) -> None:
         """Wait for all handler coroutines to finish (after cancel)."""
         for coro in self._coros:

tests/test_scheduler.py

@@ -452,6 +452,23 @@ def test_evolution_handler_default_owner():
     assert handler._repo_url == "https://github.com/argszero/emrg.git"
 
 
+def test_task_scheduler_total_evolutions():
+    """total_evolutions sums per-handler evolution log counts."""
+    from emrg.protocol import EvolutionLog
+
+    sched = TaskScheduler(InstanceIdentity())
+    h1 = EvolutionHandler(name="a", config={}, interval=60, identity=InstanceIdentity())
+    h2 = EvolutionHandler(name="b", config={}, interval=60, identity=InstanceIdentity())
+    sched._handlers = [h1, h2]
+
+    assert sched.total_evolutions() == 0
+    h1.evolutions.append(EvolutionLog(timestamp="t1"))
+    h1.evolutions.append(EvolutionLog(timestamp="t2"))
+    assert sched.total_evolutions() == 2
+    h2.evolutions.append(EvolutionLog(timestamp="t3"))
+    assert sched.total_evolutions() == 3
+
+
 def test_paper_template_renders_with_context():
     """paper_prompt.md renders without Jinja2 errors (seq/uptime placeholders)."""
     import jinja2