config updates

src/personal_mcp/config.py

@@ -0,0 +1,42 @@
+from functools import cache
+from pathlib import Path
+
+from pydantic import BaseModel
+from pydantic import DirectoryPath
+from pydantic import Field
+from pydantic_settings import BaseSettings
+from pydantic_settings import SettingsConfigDict
+
+DEFAULT_ENV_FILE = Path(".env").resolve()
+_REPO_ROOT = Path(__file__).resolve().parents[2]
+
+
+class Mounts(BaseModel):
+    docs: str = "/docs"
+    docs_dir: DirectoryPath = Field(default=_REPO_ROOT / "docs")
+    mcp: str = "/mcp"
+
+
+class Settings(BaseSettings):
+    """Runtime settings for the HTTP MCP and docs server."""
+
+    model_config = SettingsConfigDict(
+        env_file=DEFAULT_ENV_FILE,
+        env_prefix="PERSONAL_MCP_",
+        extra="ignore",
+    )
+
+    debug: bool = False
+    log_level: str = "info"
+    mounts: Mounts = Field(default_factory=Mounts)
+    site_dir: DirectoryPath = Field(default=_REPO_ROOT / "site")
+
+
+@cache
+def get_settings(**overrides) -> Settings:
+    return Settings(**overrides)
+
+
+def refresh_settings(**overrides):
+    get_settings.cache_clear()
+    return get_settings(**overrides)