feat(coding-agent): ResourceLoader, package management, and /reload command (#645)

- Add ResourceLoader interface and DefaultResourceLoader implementation
- Add PackageManager for npm/git extension sources with install/remove/update
- Add session.reload() and session.bindExtensions() APIs
- Add /reload command in interactive mode
- Add CLI flags: --skill, --theme, --prompt-template, --no-themes, --no-prompt-templates
- Add pi install/remove/update commands for extension management
- Refactor settings.json to use arrays for skills, prompts, themes
- Remove legacy SkillsSettings source flags and filters
- Update SDK examples and documentation for ResourceLoader pattern
- Add theme registration and loadThemeFromPath for dynamic themes
- Add getShellEnv to include bin dir in PATH for bash commands

packages/coding-agent/test/compaction-thinking-model.test.ts

@@ -19,7 +19,13 @@ import { ModelRegistry } from "../src/core/model-registry.js";
 import { SessionManager } from "../src/core/session-manager.js";
 import { SettingsManager } from "../src/core/settings-manager.js";
 import { codingTools } from "../src/core/tools/index.js";
-import { API_KEY, getRealAuthStorage, hasAuthForProvider, resolveApiKey } from "./utilities.js";
+import {
+	API_KEY,
+	createTestResourceLoader,
+	getRealAuthStorage,
+	hasAuthForProvider,
+	resolveApiKey,
+} from "./utilities.js";
 
 // Check for auth
 const HAS_ANTIGRAVITY_AUTH = hasAuthForProvider("google-antigravity");
@@ -81,7 +87,9 @@ describe.skipIf(!HAS_ANTIGRAVITY_AUTH)("Compaction with thinking models (Antigra
 			agent,
 			sessionManager,
 			settingsManager,
+			cwd: tempDir,
 			modelRegistry,
+			resourceLoader: createTestResourceLoader(),
 		});
 
 		session.subscribe(() => {});
@@ -175,7 +183,9 @@ describe.skipIf(!HAS_ANTHROPIC_AUTH)("Compaction with thinking models (Anthropic
 			agent,
 			sessionManager,
 			settingsManager,
+			cwd: tempDir,
 			modelRegistry,
+			resourceLoader: createTestResourceLoader(),
 		});
 
 		session.subscribe(() => {});