chore: drop runner shim and add committer helper

Swabble/Sources/SwabbleCore/Hooks/HookExecutor.swift

@@ -10,7 +10,7 @@ public struct HookJob: Sendable {
     }
 }
 
-public actor HookRunner {
+public actor HookExecutor {
     private let config: SwabbleConfig
     private var lastRun: Date?
     private let hostname: String

Swabble/Sources/swabble/Commands/ServeCommand.swift

@@ -46,8 +46,8 @@ struct ServeCommand: ParsableCommand {
                 }
                 let stripped = Self.stripWake(text: seg.text, cfg: cfg)
                 let job = HookJob(text: stripped, timestamp: Date())
-                let runner = HookRunner(config: cfg)
-                try await runner.run(job: job)
+                let executor = HookExecutor(config: cfg)
+                try await executor.run(job: job)
                 if cfg.transcripts.enabled {
                     await TranscriptsStore.shared.append(text: stripped)
                 }

Swabble/Sources/swabble/Commands/TestHookCommand.swift

@@ -21,8 +21,8 @@ struct TestHookCommand: ParsableCommand {
 
     mutating func run() async throws {
         let cfg = try ConfigLoader.load(at: configURL)
-        let runner = HookRunner(config: cfg)
-        try await runner.run(job: HookJob(text: text, timestamp: Date()))
+        let executor = HookExecutor(config: cfg)
+        try await executor.run(job: HookJob(text: text, timestamp: Date()))
         print("hook invoked")
     }