feat(pi): add native catalog and gateway data plane

src-tauri/src/pi_config/native.rs

@@ -156,6 +156,26 @@ pub(crate) fn inspect_pi_native_entry(
     PiNativeInspectionService::inspect_entry(path, provider_key, managed_claims)
 }
 
+/// Compose a database-authoritative managed provider through the same raw and
+/// composer layers used by native inspection. Runtime construction must not
+/// reimplement inheritance or field semantics.
+pub(crate) fn compose_managed_pi_provider(
+    provider_key: &str,
+    config: &PiManagedProviderConfig,
+) -> Result<PiNativeComposition, AppError> {
+    validate_pi_managed_provider(config)
+        .map_err(|error| AppError::InvalidInput(error.to_string()))?;
+    let value =
+        serde_json::to_value(config).map_err(|source| AppError::JsonSerialize { source })?;
+    let raw = evaluate_provider_value(&value);
+    let provider = raw.valid_provider.as_ref().ok_or_else(|| {
+        AppError::Config(format!(
+            "managed Pi provider '{provider_key}' did not pass the pinned raw schema"
+        ))
+    })?;
+    Ok(compose_explicit_custom_catalog(provider_key, provider))
+}
+
 fn normalize_pi_agent_dir(value: &str, home: &Path) -> Result<PathBuf, AppError> {
     if value == "~" {
         return Ok(home.to_path_buf());
@@ -180,7 +200,15 @@ fn normalize_pi_agent_dir(value: &str, home: &Path) -> Result<PathBuf, AppError>
     Ok(PathBuf::from(value))
 }
 
-pub(crate) fn get_pi_agent_dir() -> Result<PathBuf, AppError> {
+pub(crate) fn get_pi_agent_dir_for_override(
+    override_dir: Option<&str>,
+) -> Result<PathBuf, AppError> {
+    if let Some(override_dir) = override_dir
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+    {
+        return Ok(crate::settings::resolve_override_path(override_dir));
+    }
     let Some(raw) = std::env::var_os("PI_CODING_AGENT_DIR") else {
         return Ok(get_home_dir().join(".pi").join("agent"));
     };
@@ -190,6 +218,19 @@ pub(crate) fn get_pi_agent_dir() -> Result<PathBuf, AppError> {
     normalize_pi_agent_dir(&raw.to_string_lossy(), &get_home_dir())
 }
 
+pub(crate) fn get_pi_agent_dir() -> Result<PathBuf, AppError> {
+    if let Some(override_dir) = crate::settings::get_pi_override_dir() {
+        return Ok(override_dir);
+    }
+    get_pi_agent_dir_for_override(None)
+}
+
+pub(crate) fn get_pi_models_path_for_override(
+    override_dir: Option<&str>,
+) -> Result<PathBuf, AppError> {
+    Ok(get_pi_agent_dir_for_override(override_dir)?.join("models.json"))
+}
+
 pub(crate) fn get_pi_models_path() -> Result<PathBuf, AppError> {
     Ok(get_pi_agent_dir()?.join("models.json"))
 }