Clean contract lifecycle: Add supervisor complete command (#13)

* feat: Add contract lifecycle management commands (complete and resume-contract)

Add supervisor commands for properly managing contract lifecycle:
- `makima supervisor complete` - Mark a contract as complete and stop the supervisor
- `makima supervisor resume-contract` - Resume a completed contract (reactivate it)

Also adds `api_key` field to TaskConfig for authenticated API calls.

This consolidates the lifecycle management features from the contract-lifecycle-cleanup branch.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Fix: prevent supervisor auto-start for completed contracts

When viewing a completed contract, the supervisor was auto-starting
on component mount. This would resurrect completed contracts and
cause them to continue running.

Changes:
- Add contract.status !== 'completed' check to the auto-start condition
- Add contract.status to the useEffect dependency array

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Task completion checkpoint

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/makima/src/daemon/cli/mod.rs b/makima/src/daemon/cli/mod.rs
index ba71c28..3394b35 100644
--- a/makima/src/daemon/cli/mod.rs
+++ b/makima/src/daemon/cli/mod.rs
@@ -122,6 +122,12 @@ pub enum SupervisorCommand {
 
     /// Rewind supervisor conversation
     RewindConversation(supervisor::ConversationRewindArgs),
+
+    /// Mark the contract as complete and stop the supervisor
+    Complete(supervisor::CompleteArgs),
+
+    /// Resume a completed contract (reactivate it)
+    ResumeContract(supervisor::ResumeContractArgs),
 }
 
 /// Contract subcommands for task-contract interaction.