feat(cli): add agent send command and wire through XPC

apps/macos/Sources/Clawdis/XPCService.swift

@@ -67,6 +67,22 @@ final class ClawdisXPCService: NSObject, ClawdisXPCProtocol {
                 guard authorized else { return Response(ok: false, message: "screen recording permission missing") }
             }
             return await ShellRunner.run(command: command, cwd: cwd, env: env, timeout: timeoutSec)
+
+        case let .agent(message, thinking, session):
+            let trimmed = message.trimmingCharacters(in: .whitespacesAndNewlines)
+            guard !trimmed.isEmpty else { return Response(ok: false, message: "message empty") }
+
+            let sent = await MainActor.run {
+                WebChatManager.shared.sendMessage(
+                    trimmed,
+                    thinking: thinking ?? "default",
+                    sessionKey: session ?? "main")
+            }
+
+            if sent {
+                return Response(ok: true, message: "sent")
+            }
+            return Response(ok: false, message: "failed to enqueue message")
         }
     }
 }

apps/macos/Sources/ClawdisCLI/main.swift

@@ -133,6 +133,28 @@ struct ClawdisCLI {
         case "status":
             return .status
 
+        case "agent":
+            var message: String?
+            var thinking: String?
+            var session: String?
+
+            while !args.isEmpty {
+                let arg = args.removeFirst()
+                switch arg {
+                case "--message": message = args.popFirst()
+                case "--thinking": thinking = args.popFirst()
+                case "--session": session = args.popFirst()
+                default:
+                    // Support bare message as last argument
+                    if message == nil {
+                        message = arg
+                    }
+                }
+            }
+
+            guard let message else { throw CLIError.help }
+            return .agent(message: message, thinking: thinking, session: session)
+
         default:
             throw CLIError.help
         }
@@ -152,6 +174,7 @@ struct ClawdisCLI {
           clawdis-mac screenshot [--display-id <u32>] [--window-id <u32>]
           clawdis-mac run [--cwd <path>] [--env KEY=VAL] [--timeout <sec>] [--needs-screen-recording] <command ...>
           clawdis-mac status
+          clawdis-mac agent --message <text> [--thinking <low|default|high>] [--session <key>]
           clawdis-mac --help
 
         Returns JSON to stdout:

apps/macos/Sources/ClawdisIPC/IPC.swift

@@ -25,6 +25,7 @@ public enum Request: Sendable {
         timeoutSec: Double?,
         needsScreenRecording: Bool)
     case status
+    case agent(message: String, thinking: String?, session: String?)
 }
 
 // MARK: - Responses
@@ -51,6 +52,7 @@ extension Request: Codable {
         case caps, interactive
         case displayID, windowID, format
         case command, cwd, env, timeoutSec, needsScreenRecording
+        case message, thinking, session
     }
 
     private enum Kind: String, Codable {
@@ -59,6 +61,7 @@ extension Request: Codable {
         case screenshot
         case runShell
         case status
+        case agent
     }
 
     public func encode(to encoder: Encoder) throws {
@@ -91,6 +94,12 @@ extension Request: Codable {
 
         case .status:
             try container.encode(Kind.status, forKey: .type)
+
+        case let .agent(message, thinking, session):
+            try container.encode(Kind.agent, forKey: .type)
+            try container.encode(message, forKey: .message)
+            try container.encodeIfPresent(thinking, forKey: .thinking)
+            try container.encodeIfPresent(session, forKey: .session)
         }
     }
 
@@ -125,6 +134,12 @@ extension Request: Codable {
 
         case .status:
             self = .status
+
+        case .agent:
+            let message = try container.decode(String.self, forKey: .message)
+            let thinking = try container.decodeIfPresent(String.self, forKey: .thinking)
+            let session = try container.decodeIfPresent(String.self, forKey: .session)
+            self = .agent(message: message, thinking: thinking, session: session)
         }
     }
 }