Merge pull request 'feat(plans): משיכת תב"ע מ-מנהל-התכנון (mavat) — Phase C backend-slice' (#292) from worktree-plan-fetch-mavat into main

web/app.py

@@ -7653,6 +7653,32 @@ async def plan_merge(req: PlanMergeRequest):
         raise HTTPException(400, str(e))
 
 
+class PlanFetchRequest(BaseModel):
+    plan_number: str
+
+
+@app.post("/api/plans/fetch")
+async def plan_fetch_from_mavat(req: PlanFetchRequest):
+    """Pull a plan's identity + validity from mavat (מנהל התכנון) for the chair form.
+
+    Returns a candidate dict (display_name/plan_type/purpose/gazette_date/
+    yalkut_number/source_url) — does NOT write the registry; the chair saves via
+    POST /api/plans (review_status gate stays, INV-AH source_url carried). The
+    browser work runs on the host bridge (Camoufox past F5); 503 if it's down,
+    404 if the plan wasn't found.
+    """
+    from legal_mcp.services import plans_fetch
+
+    if not req.plan_number.strip():
+        raise HTTPException(400, "חסר מספר-תכנית")
+    try:
+        return await plans_fetch.fetch_plan(req.plan_number)
+    except plans_fetch.PlanFetchUnavailable as e:
+        raise HTTPException(503, str(e))
+    except plans_fetch.PlanFetchError as e:
+        raise HTTPException(404, str(e))
+
+
 # ── Missing Precedents (TaskMaster #35) ────────────────────────────
 # Track citations from party briefs that aren't yet in the precedent
 # corpus. Researcher logs gaps; chair closes them by uploading the