feat(process): ✨ update zsh shell to interactive mode for full PATH access

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

Sources/PlumTVCore/ProcessRunner.swift

@@ -31,14 +31,16 @@ public enum ProcessRunner {
                              stderr: String(decoding: e, as: UTF8.self))
     }
 
-    /// Run a command string under a login shell (`/bin/zsh -lc`) so the user's
-    /// PATH (bun, uv, …) is available even from a GUI app's minimal environment.
+    /// Run a command string under an interactive login shell (`/bin/zsh -ilc`) so
+    /// the user's full PATH (bun in ~/.bun/bin, uv, …) is available even from a GUI
+    /// app's minimal environment. `-i` is required because bun's PATH is exported
+    /// from ~/.zshrc, which a non-interactive login shell does NOT source.
     /// Output is drained on background queues to avoid pipe-buffer deadlock, and
     /// the process is terminated if it exceeds `timeout`.
     public static func runShell(_ command: String, timeout: TimeInterval, cwd: String? = nil) -> ProcessResult {
         let p = Process()
         p.executableURL = URL(fileURLWithPath: "/bin/zsh")
-        p.arguments = ["-lc", command]
+        p.arguments = ["-ilc", command]
         if let cwd { p.currentDirectoryURL = URL(fileURLWithPath: cwd) }
         let out = Pipe()
         let err = Pipe()