[aidan] chore/backend: remove stale explanatory comments

backend/apps/agents/agents.py

@@ -13,8 +13,6 @@ import time
 
 logger = logging.getLogger(__name__)
 
-# Soft per-session throttle so the integration suggestion can fire on any turn
-# without nagging every message; only stamped when a suggestion actually emits.
 MCP_SUGGEST_COOLDOWN_S = 300.0
 p_mcp_suggest_cooldown: dict[str, float] = {}
 
@@ -80,7 +78,6 @@ async def send_message(session_id: str, body: dict):
         raise HTTPException(status_code=400, detail="prompt is required")
 
     # Run MCP-suggestion classifier in parallel with the agent launch; fails open.
-    # Fires on any turn, but a per-session cooldown keeps it from nagging every message.
     try:
         last_suggested = p_mcp_suggest_cooldown.get(session_id, 0.0)
         if time.monotonic() - last_suggested >= MCP_SUGGEST_COOLDOWN_S:

backend/apps/agents/core/models.py

@@ -116,11 +116,6 @@ class AgentSession(BaseModel):
     dashboard_id: Optional[str] = None
     browser_id: Optional[str] = None
     parent_session_id: Optional[str] = None
-    # For workflow Test Agent sessions: "running" while the test drives the
-    # steps, then "complete"/"error" when it finishes. Drives the test card's
-    # footer (red Force Stop -> green "workflow complete, close"). None for
-    # ordinary sessions. A dedicated signal because per-turn status oscillates
-    # completed/running between steps, so it can't mark "the whole test done".
     workflow_test_state: Optional[Literal["running", "complete", "error"]] = None
     # Browser memory signals, drive the subtle "remembered/learned" card chip so
     # the user feels the agent getting smarter without lifting a finger.

backend/apps/dashboards/models.py

@@ -53,10 +53,6 @@ class NotePosition(BaseModel):
 
 
 class DashboardLayout(BaseModel):
-    # Accept whatever the FE serialises (workflow_cards, configure_panels,
-    # workflows_hub etc). Pydantic was silently stripping these because
-    # they weren't declared, which made the dashboard re-render WITHOUT
-    # the workflow card the user just placed.
     model_config = ConfigDict(extra="allow")
     cards: dict[str, CardPosition] = Field(default_factory=dict)
     view_cards: dict[str, ViewCardPosition] = Field(default_factory=dict)

backend/apps/settings/settings.py

@@ -299,7 +299,6 @@ class DismissMcpSuggestionPayload(BaseModel):
 
 @settings.router.put("/dismiss-mcp-suggestion")
 async def put_dismiss_mcp_suggestion(body: DismissMcpSuggestionPayload):
-    """MERGE dismissed integration suggestions; the general PUT replaces the whole object and would blank secrets."""
     current = load_settings()
     now = datetime.now(timezone.utc).isoformat()
     for tool_id in body.ids: