feat: Oracle Canvas Component Schema and Qwen 3.6 integration (#31)

Co-authored-by: Sagnik <sagnik7896@gmail.com>
Reviewed-on: #31

backend/api/routes_oracle_templates.py

@@ -22,6 +22,7 @@ from __future__ import annotations
 
 import json
 import logging
+import os
 from typing import Any, Optional
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Request, status
@@ -32,6 +33,7 @@ from backend.auth.dependencies import get_current_user
 logger = logging.getLogger("velocity.oracle_templates")
 
 router = APIRouter()
+_DEFAULT_TENANT_ID = os.getenv("ORACLE_DEFAULT_TENANT_ID", "tenant_velocity")
 
 
 # ── Helpers ───────────────────────────────────────────────────────────────────
@@ -43,6 +45,10 @@ def _pool(request: Request):
     return pool
 
 
+def _tenant_id() -> str:
+    return _DEFAULT_TENANT_ID
+
+
 # ── Models ────────────────────────────────────────────────────────────────────
 
 class ChapterCreate(BaseModel):
@@ -112,7 +118,7 @@ async def list_template_chapters(
             GROUP BY ch.chapter_id
             ORDER BY ch.sort_order ASC
             """,
-            user.role,
+            _tenant_id(),
         )
     return {"chapters": [dict(r) for r in rows]}
 
@@ -132,7 +138,7 @@ async def create_template_chapter(
             VALUES ($1,$2,$3,$4)
             RETURNING chapter_id, created_at
             """,
-            user.role, body.name, body.description, body.sort_order,
+            _tenant_id(), body.name, body.description, body.sort_order,
         )
     return {"chapter_id": str(row["chapter_id"]), "created_at": str(row["created_at"])}
 
@@ -149,7 +155,7 @@ async def list_template_subchapters(
     pool = _pool(request)
     async with pool.acquire() as conn:
         where = "WHERE sub.tenant_id=$1"
-        params: list[Any] = [user.role]
+        params: list[Any] = [_tenant_id()]
         idx = 2
         if not include_inactive:
             where += " AND sub.is_active=TRUE"
@@ -186,7 +192,7 @@ async def create_template_subchapter(
         # Verify chapter exists and belongs to tenant
         ch_exists = await conn.fetchval(
             "SELECT 1 FROM oracle_template_chapters WHERE chapter_id=$1 AND tenant_id=$2",
-            body.chapter_id, user.role,
+            body.chapter_id, _tenant_id(),
         )
         if not ch_exists:
             raise HTTPException(404, "Chapter not found")
@@ -198,7 +204,7 @@ async def create_template_subchapter(
             VALUES ($1,$2,$3,$4,$5)
             RETURNING subchapter_id, created_at
             """,
-            body.chapter_id, user.role, body.name, body.description, body.sort_order,
+            body.chapter_id, _tenant_id(), body.name, body.description, body.sort_order,
         )
     return {"subchapter_id": str(row["subchapter_id"]), "created_at": str(row["created_at"])}
 
@@ -218,7 +224,7 @@ async def list_component_templates(
 ):
     pool = _pool(request)
     where = "WHERE t.tenant_id=$1"
-    params: list[Any] = [user.role]
+    params: list[Any] = [_tenant_id()]
     idx = 2
 
     if chapter_id:
@@ -270,7 +276,7 @@ async def create_component_template(
             ) VALUES ($1,$2,$3,$4,$5,$6,$7::jsonb,$8,$9,$10,'draft')
             RETURNING template_id, created_at
             """,
-            user.role, body.name, body.category, body.chapter_id, body.subchapter_id,
+            _tenant_id(), body.name, body.category, body.chapter_id, body.subchapter_id,
             body.accepted_shapes,
             json.dumps(body.json_template) if body.json_template else None,
             body.description, body.origin, body.version,
@@ -294,7 +300,7 @@ async def get_component_template(
             LEFT JOIN oracle_template_subchapters sub ON sub.subchapter_id = t.subchapter_id
             WHERE t.template_id=$1 AND t.tenant_id=$2
             """,
-            template_id, user.role,
+            template_id, _tenant_id(),
         )
     if not row:
         raise HTTPException(404, "Template not found")
@@ -315,7 +321,7 @@ async def add_seed_example(
     async with pool.acquire() as conn:
         exists = await conn.fetchval(
             "SELECT 1 FROM oracle_component_templates WHERE template_id=$1 AND tenant_id=$2",
-            template_id, user.role,
+            template_id, _tenant_id(),
         )
         if not exists:
             raise HTTPException(404, "Template not found")
@@ -371,7 +377,7 @@ async def trigger_synthetic_job(
     async with pool.acquire() as conn:
         exists = await conn.fetchval(
             "SELECT 1 FROM oracle_component_templates WHERE template_id=$1 AND tenant_id=$2",
-            body.template_id, user.role,
+            body.template_id, _tenant_id(),
         )
         if not exists:
             raise HTTPException(404, "Template not found")
@@ -384,7 +390,7 @@ async def trigger_synthetic_job(
             ) VALUES ($1,$2,$3,$4,$5,$6,$7)
             RETURNING job_id, status, created_at
             """,
-            user.role, body.template_id, body.chapter_id, body.subchapter_id,
+            _tenant_id(), body.template_id, body.chapter_id, body.subchapter_id,
             body.model, body.requested_count, user.user_id,
         )
     logger.info(