feat(tools): implement CRUD operations for thoughts and projects

* Add tools for creating, retrieving, updating, and deleting thoughts.
* Implement project management tools for creating and listing projects.
* Introduce linking functionality between thoughts.
* Add search and recall capabilities for thoughts based on semantic queries.
* Implement statistics and summarization tools for thought analysis.
* Create database migrations for thoughts, projects, and links.
* Add helper functions for UUID parsing and project resolution.

docker/postgres/init/00_apply_migrations.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -eu
+
+for migration in /migrations/*.sql; do
+  case "$migration" in
+    */006_rls_and_grants.sql)
+      echo "Skipping $migration because it contains deployment-specific grants."
+      ;;
+    *)
+      echo "Applying $migration"
+      psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" -f "$migration"
+      ;;
+  esac
+done