WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

migrations/versioned/000039_session_user_id_and_pin.up.sql

@@ -0,0 +1,21 @@
+-- Migration: 000039_session_user_id_and_pin
+-- Description: Add user_id, is_pinned, pinned_at to sessions for per-user
+--              session ownership and user-level pinning. Existing rows keep
+--              user_id = NULL and stay visible at the tenant level for
+--              backward compatibility.
+
+DO $$ BEGIN RAISE NOTICE '[Migration 000039] Adding user_id/is_pinned/pinned_at to sessions'; END $$;
+
+ALTER TABLE sessions
+    ADD COLUMN IF NOT EXISTS user_id VARCHAR(36),
+    ADD COLUMN IF NOT EXISTS is_pinned BOOLEAN NOT NULL DEFAULT FALSE,
+    ADD COLUMN IF NOT EXISTS pinned_at TIMESTAMP WITH TIME ZONE;
+
+-- Index for the common list query:
+--   WHERE tenant_id = ? AND (user_id = ? OR user_id IS NULL) AND deleted_at IS NULL
+--   ORDER BY is_pinned DESC, pinned_at DESC NULLS LAST, updated_at DESC
+CREATE INDEX IF NOT EXISTS idx_sessions_tenant_user_pin
+    ON sessions (tenant_id, user_id, is_pinned DESC, pinned_at DESC, updated_at DESC)
+    WHERE deleted_at IS NULL;
+
+DO $$ BEGIN RAISE NOTICE '[Migration 000039] sessions user_id/pin columns added'; END $$;