feat: make repository reads alias-aware

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a049a4-ee9f-78e1-9d66-2cb0f9bea3e3

api/routers/token_events.py

@@ -13,6 +13,7 @@ from api.models.task import Task
 from api.models.token_event import TokenEvent
 from api.models.workplan import Workplan
 from api.services.legacy_compat import meter_legacy_query_param
+from api.services.repository_aliases import resolve_repository_slug
 from api.schemas.token_event import (
     RepoTokenSummary,
     TokenAggregateRow,
@@ -288,6 +289,7 @@ async def get_token_summary(
 
 @router.get("/by-repo/", response_model=list[RepoTokenSummary])
 async def get_tokens_by_repo(
+    repo_slug: str | None = None,
     measurement_kind: str | None = None,
     source_provider: str | None = None,
     since: datetime | None = None,
@@ -304,6 +306,12 @@ async def get_tokens_by_repo(
 
     Only events that resolve to a repo are included.
     """
+    requested_repo_id = None
+    if repo_slug:
+        requested_repo_id = (
+            await resolve_repository_slug(session, repo_slug)
+        ).repo.id
+
     # Fetch all events, workstreams, repos in three queries (avoids N+1)
     events_result = await session.execute(
         _filter_query(
@@ -341,6 +349,8 @@ async def get_tokens_by_repo(
         rid = resolve_repo_id(e)
         if not rid or rid not in repo_map:
             continue
+        if requested_repo_id is not None and rid != requested_repo_id:
+            continue
         if rid not in groups:
             groups[rid] = {
                 "repo_id": rid,