chore: bump version to 0.1.4 and clean up cli

- Set VERSION = '0.1.4' in brand.ts as single source of truth
- Import VERSION in cli.ts for --version output
- Remove dead code resolveFlagName from cli.ts
- Remove hardcoded version comment from index.ts

Co-Authored-By: Claude <noreply@anthropic.com>

src/brand.ts

@@ -2,7 +2,7 @@
 
 import { GREEN, CYAN, RESET } from "./terminal";
 
-export const VERSION = "0.1.3";
+export const VERSION = "0.1.4";
 
 export function showBanner(): string {
   const G = GREEN();

src/cli.ts

@@ -1,6 +1,8 @@
 // Lightweight CLI argument parser aligned with mainstream CLI conventions.
 // Supports: subcommands, short/long flags, flag values, positional args, --help, --version.
 
+import { VERSION } from "./brand";
+
 export interface FlagDef {
   long: string; // e.g. "dry-run"
   short?: string; // e.g. "d"
@@ -44,19 +46,6 @@ function buildFlagIndex(flags: FlagDef[]): Map<string, FlagDef> {
   return index;
 }
 
-function resolveFlagName(raw: string): { flag: FlagDef; value?: string } | null {
-  // "--key=value"
-  const eqIndex = raw.indexOf("=");
-  if (eqIndex !== -1) {
-    const name = raw.slice(0, eqIndex);
-    const value = raw.slice(eqIndex + 1);
-    const allFlags = buildFlagIndex([...GLOBAL_FLAGS]); // we'll rebuild in context
-    // We'll handle = syntax in the main parse loop with proper index
-    return null; // handled inline
-  }
-  return null; // handled inline
-}
-
 function parseArgs(
   rawArgs: string[],
   commands: Map<string, CommandDef>,
@@ -282,7 +271,7 @@ export async function runCLI(rawArgs: string[], commands: Map<string, CommandDef
 
   // Handle --version globally
   if (result.flags["version"]) {
-    console.log("gai v0.1.3");
+    console.log(`gai v${VERSION}`);
     return 0;
   }