feat(STATE-WP-0064): start parallel week with source-tagged sweep runners

Tag consistency_sweep_remote_all progress events by source, route the local
timer through the API, add a parallel-week comparison script, and document
the 2026-06-21 to 2026-06-28 observation window for T03.

api/routers/consistency_sweep.py

@@ -25,7 +25,11 @@ async def sweep_remote_all(
     session: AsyncSession = Depends(get_session),
 ) -> ConsistencySweepRemoteAllRun:
     try:
-        return await run_remote_all_sweep(session, max_seconds=body.max_seconds)
+        return await run_remote_all_sweep(
+            session,
+            max_seconds=body.max_seconds,
+            source=body.source,
+        )
     except json.JSONDecodeError as exc:
         raise HTTPException(
             status_code=500,

api/schemas/consistency_sweep.py

@@ -27,12 +27,17 @@ class ConsistencySweepRemoteAllGenerate(BaseModel):
         le=3600,
         description="Wall-clock budget for the remote-all sweep (0 disables)",
     )
+    source: str = Field(
+        default="api",
+        description="Runner label stored on progress events (local-timer, activity-core, api)",
+    )
 
 
 class ConsistencySweepRemoteAllRun(BaseModel):
     started_at: datetime
     completed_at: datetime
     max_seconds: int
+    source: str
     exit_code: int
     lock_skipped: bool
     repos_processed: list[ConsistencySweepRepoResult] = Field(default_factory=list)

api/services/consistency_sweep.py

@@ -8,6 +8,7 @@ import sys
 import uuid
 from datetime import UTC, datetime
 from pathlib import Path
+from typing import Any
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -95,6 +96,7 @@ async def run_remote_all_sweep(
     session: AsyncSession,
     *,
     max_seconds: int,
+    source: str = "api",
 ) -> ConsistencySweepRemoteAllRun:
     started_at = datetime.now(tz=UTC)
     cmd = [
@@ -124,6 +126,7 @@ async def run_remote_all_sweep(
         started_at=started_at,
         completed_at=completed_at,
         max_seconds=max_seconds,
+        source=source,
         exit_code=result.returncode,
         lock_skipped=lock_skipped,
         repos_processed=repos_processed,
@@ -133,6 +136,7 @@ async def run_remote_all_sweep(
         started_at=started_at,
         completed_at=completed_at,
         max_seconds=max_seconds,
+        source=source,
         exit_code=result.returncode,
         lock_skipped=lock_skipped,
         repos_processed=repos_processed,
@@ -149,6 +153,7 @@ async def _log_sweep_progress(
     started_at: datetime,
     completed_at: datetime,
     max_seconds: int,
+    source: str,
     exit_code: int,
     lock_skipped: bool,
     repos_processed: list[ConsistencySweepRepoResult],
@@ -175,6 +180,7 @@ async def _log_sweep_progress(
             "started_at": _iso(started_at),
             "completed_at": _iso(completed_at),
             "max_seconds": max_seconds,
+            "source": source,
             "exit_code": exit_code,
             "lock_skipped": lock_skipped,
             "repos_processed": [item.model_dump(mode="json") for item in repos_processed],