Allow coercible chat_id values (#186)

Co-authored-by: banteg <4562643+banteg@users.noreply.github.com>

tests/test_exec_bridge.py

@@ -92,8 +92,8 @@ def test_require_telegram_rejects_empty_token(tmp_path) -> None:
         require_telegram(settings, config_path)
 
 
-def test_load_settings_rejects_string_chat_id(tmp_path) -> None:
-    from takopi.config import ConfigError
+def test_load_settings_accepts_string_chat_id(tmp_path) -> None:
+    from takopi.settings import require_telegram
 
     config_path = tmp_path / "takopi.toml"
     config_path.write_text(
@@ -102,8 +102,9 @@ def test_load_settings_rejects_string_chat_id(tmp_path) -> None:
         encoding="utf-8",
     )
 
-    with pytest.raises(ConfigError, match="chat_id"):
-        load_settings(config_path)
+    settings, _ = load_settings(config_path)
+    _, chat_id = require_telegram(settings, config_path)
+    assert chat_id == 123
 
 
 def test_codex_extract_resume_finds_command() -> None:

tests/test_projects_config.py

@@ -130,6 +130,22 @@ def test_projects_chat_id_must_be_unique() -> None:
         )
 
 
+def test_projects_string_chat_id_is_coerced() -> None:
+    config = {
+        "transports": {"telegram": {"bot_token": "token", "chat_id": 123}},
+        "projects": {"z80": {"path": "/tmp/repo", "chat_id": "-10"}},
+    }
+    settings = TakopiSettings.model_validate(config)
+    projects = settings.to_projects_config(
+        config_path=Path("takopi.toml"),
+        engine_ids=["codex"],
+        reserved=RESERVED_CHAT_COMMANDS,
+    )
+
+    assert projects.projects["z80"].chat_id == -10
+    assert projects.chat_map[-10] == "z80"
+
+
 def test_projects_relative_path_resolves(tmp_path: Path) -> None:
     config_path = tmp_path / "takopi.toml"
     settings = TakopiSettings.model_validate(

tests/test_settings_contract.py

@@ -28,3 +28,13 @@ def test_settings_rejects_bool_chat_id(tmp_path: Path) -> None:
 
     with pytest.raises(ConfigError, match="chat_id"):
         validate_settings_data(data, config_path=tmp_path / "takopi.toml")
+
+
+def test_settings_rejects_float_chat_id(tmp_path: Path) -> None:
+    data = {
+        "transport": "telegram",
+        "transports": {"telegram": {"bot_token": "token", "chat_id": 123.0}},
+    }
+
+    with pytest.raises(ConfigError, match="chat_id"):
+        validate_settings_data(data, config_path=tmp_path / "takopi.toml")