style: fix black formatting issues

Format 3 Python files to comply with black 26.1.0:
- src/core/cache/citation_cache.py
- src/tests/integration/test_orchestrator_e2e.py
- src/tests/unit/test_registry.py

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: fedec65

src/core/cache/citation_cache.py

@@ -58,8 +58,7 @@ def __init__(self, db_path: Path | None = None, ttl_hours: int = 24):
     def _init_database(self) -> None:
         """Create cache table if it doesn't exist"""
         with sqlite3.connect(self.db_path) as conn:
-            conn.execute(
-                """
+            conn.execute("""
                 CREATE TABLE IF NOT EXISTS citation_cache (
                     cache_key TEXT PRIMARY KEY,
                     query TEXT NOT NULL,
@@ -69,15 +68,12 @@ def _init_database(self) -> None:
                     hit_count INTEGER DEFAULT 0,
                     last_accessed TEXT
                 )
-                """
-            )
+                """)
             # Create index on expiration for faster cleanup
-            conn.execute(
-                """
+            conn.execute("""
                 CREATE INDEX IF NOT EXISTS idx_expires_at
                 ON citation_cache(expires_at)
-                """
-            )
+                """)
             conn.commit()
 
     def _generate_cache_key(self, query: str, filters: dict | None = None) -> str:

src/tests/integration/test_orchestrator_e2e.py

@@ -56,8 +56,7 @@ def temp_commands_dir(tmp_path: Path) -> Path:
 
     for filename, description in test_agents:
         agent_file = commands_dir / filename
-        agent_file.write_text(
-            f"""# {filename.replace('.md', '')}
+        agent_file.write_text(f"""# {filename.replace('.md', '')}
 
 {description}
 
@@ -71,8 +70,7 @@ def temp_commands_dir(tmp_path: Path) -> Path:
 
 ## Output
 Returns processed results.
-"""
-        )
+""")
 
     return tmp_path
 

src/tests/unit/test_registry.py

@@ -373,8 +373,7 @@ def test_custom_commands_dir(self) -> None:
         with TemporaryDirectory() as tmpdir:
             # Create a mock command file
             cmd_file = Path(tmpdir) / "agent:test.md"
-            cmd_file.write_text(
-                """# /agent:test - Test Agent
+            cmd_file.write_text("""# /agent:test - Test Agent
 
 **Version**: 1.0.0
 **Domain**: Testing
@@ -383,8 +382,7 @@ def test_custom_commands_dir(self) -> None:
 
 ## What This Agent Does
 - **testing**: Runs tests
-"""
-            )
+""")
 
             registry = AgentRegistry(commands_dir=tmpdir)
 
@@ -566,8 +564,7 @@ def test_parse_command_file_with_all_fields(self) -> None:
         """Test parsing a well-formed command file."""
         with TemporaryDirectory() as tmpdir:
             cmd_file = Path(tmpdir) / "agent:complete.md"
-            cmd_file.write_text(
-                """# /agent:complete - Complete Test Agent
+            cmd_file.write_text("""# /agent:complete - Complete Test Agent
 
 **Version**: 2.5.0
 **Domain**: Complete Testing
@@ -578,8 +575,7 @@ def test_parse_command_file_with_all_fields(self) -> None:
 ## What This Agent Does
 - **analysis**: Analyzes data thoroughly
 - **reporting**: Generates detailed reports
-"""
-            )
+""")
 
             registry = AgentRegistry(commands_dir=tmpdir)
             agent = registry.get_agent("complete")
@@ -595,12 +591,10 @@ def test_parse_command_file_minimal(self) -> None:
         """Test parsing a minimal command file."""
         with TemporaryDirectory() as tmpdir:
             cmd_file = Path(tmpdir) / "agent:minimal.md"
-            cmd_file.write_text(
-                """# Minimal Agent
+            cmd_file.write_text("""# Minimal Agent
 
 A minimal agent without standard formatting.
-"""
-            )
+""")
 
             registry = AgentRegistry(commands_dir=tmpdir)
             agent = registry.get_agent("minimal")