feat: Complete code integration of modules (#18)

The complete code integration is done.

Co-authored-by: Sagnik <sagnik7896@gmail.com>
Reviewed-on: sagnik/Project_Velocity#18

backend/oracle/router_v1.py

@@ -31,6 +31,8 @@ from pydantic import BaseModel, Field
 
 from .canvas_service import canvas_service
 from .collaboration_service import collaboration_service
+from .action_service import oracle_action_service
+from .persona_service import persona_service
 from .prompt_orchestrator import prompt_orchestrator
 from .policy_service import PolicyService, PolicyContext
 
@@ -96,6 +98,8 @@ class PromptSubmitRequest(BaseModel):
     prompt: str = Field(..., min_length=1, max_length=4096)
     conversationContext: list[dict[str, str]] = Field(default_factory=list)
     placementMode: str = Field("append_after_last_visible_component")
+    targetLeadId: str | None = None
+    plannedWriteback: dict[str, Any] = Field(default_factory=dict)
 
 
 class ForkCreateRequest(BaseModel):
@@ -131,6 +135,11 @@ class TemplateSynthesizeRequest(BaseModel):
     styleSignatureRef: str | None = None
 
 
+class PersonaRenderRequest(BaseModel):
+    promptName: str = Field(..., pattern="^(qd_calculator|lead_tagger|cctv_profiler)$")
+    variables: dict[str, Any] = Field(default_factory=dict)
+
+
 # ── Endpoints ─────────────────────────────────────────────────────────────────
 
 @router.get("/me", summary="Get current user profile")
@@ -167,8 +176,16 @@ async def submit_prompt(page_id: str, payload: PromptSubmitRequest) -> dict:
             detail={"errors": execution.get("warnings", [])},
         )
     page = await canvas_service.get_page(page_id, ctx.tenant_id)
+    action = await oracle_action_service.create_from_execution(
+        execution=execution,
+        target_entity_type="lead" if payload.targetLeadId else "canvas_page",
+        target_entity_id=payload.targetLeadId or page_id,
+        action_type="oracle_prompt_writeback_plan" if payload.targetLeadId else "oracle_canvas_generation",
+        writeback_payload=payload.plannedWriteback,
+    )
     return _ok({
         "executionId": execution["executionId"],
+        "actionId": action["actionId"],
         "status": execution["status"],
         "pageId": page_id,
         "branchId": payload.branchId,
@@ -250,6 +267,23 @@ async def synthesize_template(payload: TemplateSynthesizeRequest) -> dict:
     return _ok(template)
 
 
+@router.get("/persona/health", summary="Health check for Oracle persona prompt loading")
+async def persona_health() -> dict:
+    return _ok(await persona_service.health())
+
+
+@router.post("/persona/render", summary="Render a subordinate Oracle persona prompt")
+async def persona_render(payload: PersonaRenderRequest) -> dict:
+    try:
+        rendered = await persona_service.render_prompt(
+            prompt_name=payload.promptName,
+            variables=payload.variables,
+        )
+    except FileNotFoundError as exc:
+        raise HTTPException(status_code=404, detail=str(exc)) from exc
+    return _ok(rendered)
+
+
 @router.get("/merge-requests", summary="List merge requests for a target page")
 async def list_merge_requests(targetPageId: str | None = None, status: str | None = None) -> dict:
     if not targetPageId: