feat(F.17): add Coolify projects, databases, services — 67 tools total

Add 3 new Coolify plugin handlers (37 new tools, 67 total):
- projects.py: 8 tools (CRUD projects + environments)
- databases.py: 16 tools (CRUD, lifecycle, 6 DB types, backups)
- services.py: 13 tools (CRUD, lifecycle, env vars)

734 tests passing. Total platform tools: 633.

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

plugins/coolify/plugin.py

@@ -18,8 +18,11 @@ class CoolifyPlugin(BasePlugin):
 
     Provides Coolify deployment management capabilities including:
     - Application management (CRUD, lifecycle, env vars, logs)
+    - Database management (PostgreSQL, MySQL, MariaDB, MongoDB, Redis, ClickHouse, backups)
     - Deployment control (list, cancel, deploy by tag/UUID)
+    - Project & environment management (CRUD)
     - Server management (CRUD, resources, domains, validation)
+    - Service management (CRUD, lifecycle, env vars)
     """
 
     @staticmethod
@@ -60,8 +63,11 @@ class CoolifyPlugin(BasePlugin):
         specs = []
 
         specs.extend(handlers.applications.get_tool_specifications())
+        specs.extend(handlers.databases.get_tool_specifications())
         specs.extend(handlers.deployments.get_tool_specifications())
+        specs.extend(handlers.projects.get_tool_specifications())
         specs.extend(handlers.servers.get_tool_specifications())
+        specs.extend(handlers.services.get_tool_specifications())
 
         return specs
 
@@ -77,8 +83,11 @@ class CoolifyPlugin(BasePlugin):
         """
         handler_modules = [
             handlers.applications,
+            handlers.databases,
             handlers.deployments,
+            handlers.projects,
             handlers.servers,
+            handlers.services,
         ]
 
         for module in handler_modules: