fix(coding-agent): add offline startup mode and network timeouts (#1631)

packages/coding-agent/src/cli/args.ts

@@ -38,6 +38,7 @@ export interface Args {
 	themes?: string[];
 	noThemes?: boolean;
 	listModels?: string | true;
+	offline?: boolean;
 	verbose?: boolean;
 	messages: string[];
 	fileArgs: string[];
@@ -151,6 +152,8 @@ export function parseArgs(args: string[], extensionFlags?: Map<string, { type: "
 			}
 		} else if (arg === "--verbose") {
 			result.verbose = true;
+		} else if (arg === "--offline") {
+			result.offline = true;
 		} else if (arg.startsWith("@")) {
 			result.fileArgs.push(arg.slice(1)); // Remove @ prefix
 		} else if (arg.startsWith("--") && extensionFlags) {
@@ -217,6 +220,7 @@ ${chalk.bold("Options:")}
   --export <file>                Export session file to HTML and exit
   --list-models [search]         List available models (with optional fuzzy search)
   --verbose                      Force verbose startup (overrides quietStartup setting)
+  --offline                      Disable startup network operations (same as PI_OFFLINE=1)
   --help, -h                     Show this help
   --version, -v                  Show version number
 
@@ -295,6 +299,7 @@ ${chalk.bold("Environment Variables:")}
   AWS_REGION                       - AWS region for Amazon Bedrock (e.g., us-east-1)
   ${ENV_AGENT_DIR.padEnd(32)} - Session storage directory (default: ~/${CONFIG_DIR_NAME}/agent)
   PI_PACKAGE_DIR                   - Override package directory (for Nix/Guix store paths)
+  PI_OFFLINE                       - Disable startup network operations when set to 1/true/yes
   PI_SHARE_VIEWER_URL              - Base URL for /share command (default: https://pi.dev/session/)
   PI_AI_ANTIGRAVITY_VERSION        - Override Antigravity User-Agent version (e.g., 1.23.0)