fix(coding-agent): unify source provenance, closes #1734

packages/coding-agent/src/core/extensions/index.ts

@@ -2,7 +2,7 @@
  * Extension system for lifecycle events and custom tools.
  */
 
-export type { SlashCommandInfo, SlashCommandLocation, SlashCommandSource } from "../slash-commands.js";
+export type { SlashCommandInfo, SlashCommandSource } from "../slash-commands.js";
 export type { SourceInfo } from "../source-info.js";
 export {
 	createExtensionRuntime,

packages/coding-agent/src/core/extensions/loader.ts

@@ -26,6 +26,7 @@ import * as _bundledPiCodingAgent from "../../index.js";
 import { createEventBus, type EventBus } from "../event-bus.js";
 import type { ExecOptions } from "../exec.js";
 import { execCommand } from "../exec.js";
+import { createSyntheticSourceInfo } from "../source-info.js";
 import type {
 	Extension,
 	ExtensionAPI,
@@ -174,15 +175,14 @@ function createExtensionAPI(
 		registerTool(tool: ToolDefinition): void {
 			extension.tools.set(tool.name, {
 				definition: tool,
-				extensionPath: extension.path,
+				sourceInfo: extension.sourceInfo,
 			});
 			runtime.refreshTools();
 		},
 
-		registerCommand(name: string, options: Omit<RegisteredCommand, "name" | "extensionPath">): void {
+		registerCommand(name: string, options: Omit<RegisteredCommand, "name" | "sourceInfo">): void {
 			extension.commands.set(name, {
 				name,
-				extensionPath: extension.path,
 				sourceInfo: extension.sourceInfo,
 				...options,
 			});
@@ -307,9 +307,16 @@ async function loadExtensionModule(extensionPath: string) {
  * Create an Extension object with empty collections.
  */
 function createExtension(extensionPath: string, resolvedPath: string): Extension {
+	const source =
+		extensionPath.startsWith("<") && extensionPath.endsWith(">")
+			? extensionPath.slice(1, -1).split(":")[0] || "temporary"
+			: "local";
+	const baseDir = extensionPath.startsWith("<") ? undefined : path.dirname(resolvedPath);
+
 	return {
 		path: extensionPath,
 		resolvedPath,
+		sourceInfo: createSyntheticSourceInfo(extensionPath, { source, baseDir }),
 		handlers: new Map(),
 		tools: new Map(),
 		messageRenderers: new Map(),

packages/coding-agent/src/core/extensions/types.ts

@@ -961,8 +961,7 @@ export type MessageRenderer<T = unknown> = (
 
 export interface RegisteredCommand {
 	name: string;
-	extensionPath: string;
-	sourceInfo?: SourceInfo;
+	sourceInfo: SourceInfo;
 	description?: string;
 	getArgumentCompletions?: (argumentPrefix: string) => AutocompleteItem[] | null;
 	handler: (args: string, ctx: ExtensionCommandContext) => Promise<void>;
@@ -1038,7 +1037,7 @@ export interface ExtensionAPI {
 	// =========================================================================
 
 	/** Register a custom command. */
-	registerCommand(name: string, options: Omit<RegisteredCommand, "name" | "extensionPath">): void;
+	registerCommand(name: string, options: Omit<RegisteredCommand, "name" | "sourceInfo">): void;
 
 	/** Register a keyboard shortcut. */
 	registerShortcut(
@@ -1110,7 +1109,7 @@ export interface ExtensionAPI {
 	/** Get the list of currently active tool names. */
 	getActiveTools(): string[];
 
-	/** Get all configured tools with name and description. */
+	/** Get all configured tools with parameter schema and source metadata. */
 	getAllTools(): ToolInfo[];
 
 	/** Set the active tools by name. */
@@ -1277,7 +1276,7 @@ export type ExtensionFactory = (pi: ExtensionAPI) => void | Promise<void>;
 
 export interface RegisteredTool {
 	definition: ToolDefinition;
-	extensionPath: string;
+	sourceInfo: SourceInfo;
 }
 
 export interface ExtensionFlag {
@@ -1315,8 +1314,10 @@ export type GetSessionNameHandler = () => string | undefined;
 
 export type GetActiveToolsHandler = () => string[];
 
-/** Tool info with name, description, and parameter schema */
-export type ToolInfo = Pick<ToolDefinition, "name" | "description" | "parameters">;
+/** Tool info with name, description, parameter schema, and source metadata */
+export type ToolInfo = Pick<ToolDefinition, "name" | "description" | "parameters"> & {
+	sourceInfo: SourceInfo;
+};
 
 export type GetAllToolsHandler = () => ToolInfo[];
 
@@ -1417,7 +1418,7 @@ export interface ExtensionRuntime extends ExtensionRuntimeState, ExtensionAction
 export interface Extension {
 	path: string;
 	resolvedPath: string;
-	sourceInfo?: SourceInfo;
+	sourceInfo: SourceInfo;
 	handlers: Map<string, HandlerFn[]>;
 	tools: Map<string, RegisteredTool>;
 	messageRenderers: Map<string, MessageRenderer>;