fix(e2e): pass repo URL and synthesize test_* search terms

Closes the last 3 of the original 31 e2e failures.

1. Pass url= to Project() so save_repo_info populates Redis. The
   /api/repo_info endpoint returns 400 if repo_info is None, which
   broke canvas:167 with TypeError on response.info.node_count.

2. Synthesize test_<module> Function nodes for the search-bar tests.
   testData.ts parametrizes over searchInput "test", but graphrag-sdk
   0.8.2 has zero functions whose names contain "test", so the
   auto-scroll dropdown isn't scrollable and the auto-complete count
   is 0. 12 synthesized names give the dropdown enough to scroll.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: galshubeli

e2e/seed_test_data.py

@@ -70,14 +70,39 @@ def ensure_calls_edges(graph_name: str) -> None:
         logger.info("[%s] CALLS %s → %s: ensured", graph_name, caller, callee)
 
 
+def ensure_search_term_variety(graph_name: str) -> None:
+    """Synthesize Function nodes whose names contain the e2e search terms that
+    don't appear in graphrag-sdk 0.8.2 (e.g. 'test'). Without these, the
+    auto-scroll and auto-complete tests don't have enough matches.
+    """
+    db = FalkorDB(
+        host=os.getenv("FALKORDB_HOST", "localhost"),
+        port=int(os.getenv("FALKORDB_PORT", 6379)),
+    )
+    g = db.select_graph(graph_name)
+    for module in (
+        "ontology", "graph", "entity", "relation", "document", "chunk",
+        "query", "session", "agent", "chat", "attribute", "helpers",
+    ):
+        g.query(
+            "MERGE (f:Function:Searchable {name: $name}) "
+            "ON CREATE SET f.path = 'synthesized.py', f.src_start = 1, f.src_end = 1, f.doc = ''",
+            {"name": f"test_{module}"},
+        )
+
+
 def main():
     sdk_path = prepare_graphrag_sdk_source()
     logger.info(
         "Seeding graphrag-sdk %s from %s",
         getattr(graphrag_sdk, "__version__", "?"),
         sdk_path,
     )
-    Project(name="GraphRAG-SDK", path=sdk_path, url=None).analyze_sources()
+    Project(
+        name="GraphRAG-SDK",
+        path=sdk_path,
+        url="https://github.com/FalkorDB/GraphRAG-SDK",
+    ).analyze_sources()
 
     for url in REPOS:
         logger.info("Seeding %s ...", url)
@@ -86,6 +111,7 @@ def main():
         logger.info("Done seeding %s", url)
 
     ensure_calls_edges("GraphRAG-SDK")
+    ensure_search_term_variety("GraphRAG-SDK")
 
     logger.info("All test data seeded successfully.")