Add settings page for tag-to-company mappings and auto-create Paperclip projects

When a case is created, a Paperclip project is now automatically created in
the correct company based on the appeal_subtype tag. Tag-to-company mappings
are managed via a new Settings page that pulls companies from Paperclip DB.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/paperclip_client.py

@@ -27,19 +27,41 @@ COMPANIES = {
     "betterment": "8639e837-4c9d-47fa-a76b-95788d651896",  # CMPA — היטלי השבחה
 }
 
-APPEAL_TYPE_TO_COMPANY = {
-    "רישוי": "licensing",
-    "licensing": "licensing",
-    "היטל השבחה": "betterment",
-    "betterment_levy": "betterment",
-    "פיצויים": "betterment",
-    "compensation": "betterment",
+# Fallback mapping — used only when DB lookup returns no results
+_FALLBACK_APPEAL_TYPE_TO_COMPANY = {
+    "רישוי": COMPANIES["licensing"],
+    "היטל השבחה": COMPANIES["betterment"],
+    "פיצויים": COMPANIES["betterment"],
+    "building_permit": COMPANIES["licensing"],
+    "betterment_levy": COMPANIES["betterment"],
+    "compensation_197": COMPANIES["betterment"],
+    "compensation": COMPANIES["betterment"],
+    "licensing": COMPANIES["licensing"],
 }
 
+# Legal-AI DB URL for reading tag_company_mappings
+_LEGAL_DB_URL = os.environ.get(
+    "DATABASE_URL", "postgresql://legal:legal@127.0.0.1:5432/legal_ai"
+)
 
-def _get_company_id(appeal_type: str) -> str:
-    key = APPEAL_TYPE_TO_COMPANY.get(appeal_type, "licensing")
-    return COMPANIES[key]
+
+async def _get_company_id(appeal_type: str) -> str:
+    """Resolve appeal_type tag to a Paperclip company ID via DB mappings, with fallback."""
+    try:
+        conn = await asyncpg.connect(_LEGAL_DB_URL)
+        try:
+            row = await conn.fetchrow(
+                "SELECT company_id FROM tag_company_mappings WHERE tag = $1 LIMIT 1",
+                appeal_type,
+            )
+            if row:
+                return row["company_id"]
+        finally:
+            await conn.close()
+    except Exception:
+        logger.debug("DB lookup for tag mapping failed, using fallback for '%s'", appeal_type)
+
+    return _FALLBACK_APPEAL_TYPE_TO_COMPANY.get(appeal_type, COMPANIES["licensing"])
 
 
 async def create_project(
@@ -50,11 +72,16 @@ async def create_project(
     color: str = "#6366f1",
 ) -> dict:
     """Create a project in the Paperclip embedded DB, or return existing one."""
-    company_id = _get_company_id(appeal_type)
-    prefix = "CMP" if _get_company_id(appeal_type) == COMPANIES["licensing"] else "CMPA"
+    company_id = await _get_company_id(appeal_type)
 
     conn = await asyncpg.connect(PAPERCLIP_DB_URL)
     try:
+        # Resolve prefix from company identifier in Paperclip DB
+        comp_row = await conn.fetchrow(
+            "SELECT identifier FROM companies WHERE id = $1::uuid", company_id,
+        )
+        prefix = comp_row["identifier"] if comp_row and comp_row["identifier"] else "CMP"
+
         # Check for existing project with this case number
         existing = await conn.fetchrow(
             "SELECT id, name FROM projects WHERE name LIKE $1 AND company_id = $2::uuid",
@@ -216,7 +243,10 @@ async def get_project_url(case_number: str) -> str | None:
             f"%{case_number}%",
         )
         if row:
-            prefix = "CMP" if row["company_id"] == uuid.UUID(COMPANIES["licensing"]) else "CMPA"
+            comp_row = await conn.fetchrow(
+                "SELECT identifier FROM companies WHERE id = $1::uuid", str(row["company_id"]),
+            )
+            prefix = comp_row["identifier"] if comp_row and comp_row["identifier"] else "CMP"
             return f"https://pc.nautilus.marcusgroup.org/{prefix}/projects/{row['id']}/issues"
         return None
     finally: