feat(inquiries): website_submissions tracking + display columns; capture populates contact name/email

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/lib/db/migrations/0093_website_submissions_inquiry_cols.sql

@@ -0,0 +1,31 @@
+-- 0093_website_submissions_inquiry_cols.sql
+-- ----------------------------------------------------------------------------
+-- Inquiries workbench: tracking + display columns on website_submissions.
+--   converted_client_id / converted_interest_id - set when an operator converts
+--     an inquiry into CRM entities (FK to clients/interests).
+--   contact_name / contact_email - extracted from the JSONB payload at capture
+--     time so the list view can search/sort/display via real columns.
+--
+-- Idempotent: ADD COLUMN IF NOT EXISTS + CREATE INDEX IF NOT EXISTS + a
+-- COALESCE backfill that only fills nulls. Safe to re-run.
+
+ALTER TABLE website_submissions
+  ADD COLUMN IF NOT EXISTS converted_client_id   text REFERENCES clients(id),
+  ADD COLUMN IF NOT EXISTS converted_interest_id text REFERENCES interests(id),
+  ADD COLUMN IF NOT EXISTS contact_name  text,
+  ADD COLUMN IF NOT EXISTS contact_email text;
+
+CREATE INDEX IF NOT EXISTS idx_ws_contact_email
+  ON website_submissions (port_id, contact_email);
+
+-- Backfill display columns from existing payloads (only where still null).
+UPDATE website_submissions
+SET contact_email = COALESCE(contact_email, NULLIF(payload->>'email', '')),
+    contact_name  = COALESCE(
+      contact_name,
+      NULLIF(TRIM(CONCAT_WS(' ', payload->>'first_name', payload->>'last_name')), ''),
+      NULLIF(payload->>'name', ''),
+      NULLIF(payload->>'fullName', ''),
+      NULLIF(payload->>'full_name', '')
+    )
+WHERE contact_email IS NULL OR contact_name IS NULL;

src/lib/db/schema/website-submissions.ts

@@ -51,6 +51,18 @@ export const websiteSubmissions = pgTable(
      *  same form submission. Useful for reconciling: pick any submission
      *  here, look up the matching NocoDB row, confirm both halves agree. */
     legacyNocodbId: text('legacy_nocodb_id'),
+    /** Contact name + email extracted from `payload` at capture time so the
+     *  inquiry list can search/sort/display via real columns (payload stays
+     *  JSONB and isn't searched directly). Populated by the capture endpoint
+     *  and backfilled in migration 0093. */
+    contactName: text('contact_name'),
+    contactEmail: text('contact_email'),
+    /** Set when an operator converts this inquiry into CRM entities. FK enforced
+     *  at the DB level (migration 0093); typed as plain text here to avoid a
+     *  circular schema import — `clients`/`interests` already reference
+     *  `website_submissions`. */
+    convertedClientId: text('converted_client_id'),
+    convertedInterestId: text('converted_interest_id'),
     /** Capture-time metadata for debugging. */
     sourceIp: text('source_ip'),
     userAgent: text('user_agent'),