Introduce Devii agents subsystem with supervisor, policy, and evals

- Add agents package: controller, runner, store, tools, actions, evals, policy
- Wire agents into Devii service, session, registry, CLI, and dispatcher
- Extend database schema and config for agent persistence
- Add news and telegram bridge updates plus landing UI and docs
- Cover agents, news, and telegram flows with unit tests

tests/unit/database/schema.py

@@ -45,3 +45,46 @@ def test_the_workspace_rule_tables_filter_on_a_column_that_exists(local_db):
 
     assert quota._rule_for("user", "nobody-at-all") is None
     assert editor.prefs_for("nobody-at-all") is None
+
+
+def test_retired_aquality_grading_settings_heal_to_gateway(local_db):
+    from devplacepy.config import (
+        AQUALITY_NEWS_GRADING_MODEL,
+        AQUALITY_NEWS_GRADING_URL,
+        INTERNAL_GATEWAY_URL,
+        NEWS_GRADING_MODEL_DEFAULT,
+    )
+    from devplacepy.database import get_setting, set_setting
+    from devplacepy.database.schema import migrate_ai_gateway_settings
+
+    prev_url = get_setting("news_ai_url", "")
+    prev_model = get_setting("news_ai_model", "")
+    try:
+        set_setting("news_ai_url", AQUALITY_NEWS_GRADING_URL)
+        set_setting("news_ai_model", AQUALITY_NEWS_GRADING_MODEL)
+        migrate_ai_gateway_settings()
+        assert get_setting("news_ai_url", "") == INTERNAL_GATEWAY_URL
+        assert get_setting("news_ai_model", "") == NEWS_GRADING_MODEL_DEFAULT
+    finally:
+        set_setting("news_ai_url", prev_url)
+        set_setting("news_ai_model", prev_model)
+
+
+def test_custom_grading_settings_survive_migration(local_db):
+    from devplacepy.database import get_setting, set_setting
+    from devplacepy.database.schema import migrate_ai_gateway_settings
+
+    prev_url = get_setting("news_ai_url", "")
+    prev_model = get_setting("news_ai_model", "")
+    try:
+        set_setting("news_ai_url", "http://custom.test/v1/chat/completions")
+        set_setting("news_ai_model", "custom-model")
+        migrate_ai_gateway_settings()
+        assert (
+            get_setting("news_ai_url", "")
+            == "http://custom.test/v1/chat/completions"
+        )
+        assert get_setting("news_ai_model", "") == "custom-model"
+    finally:
+        set_setting("news_ai_url", prev_url)
+        set_setting("news_ai_model", prev_model)