1 files changed, 37 insertions, 0 deletions
diff --git a/makima/src/db/models.rs b/makima/src/db/models.rs
index 4419580..d792f2c 100644
--- a/makima/src/db/models.rs
+++ b/makima/src/db/models.rs
@@ -991,6 +991,9 @@ pub struct MergeCompleteCheckResponse {
 // Contract Types
 // =============================================================================
 
+/// Contract type constant for task (adhoc) contracts
+pub const CONTRACT_TYPE_TASK: &str = "task";
+
 /// Contract type determines the workflow and required documents
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, ToSchema)]
 #[serde(rename_all = "lowercase")]
@@ -1006,6 +1009,11 @@ pub enum ContractType {
     /// - Execute: implement according to specs
     /// - Review: verify against specifications
     Specification,
+    /// Task type for adhoc one-off tasks
+    /// - Single "execute" phase
+    /// - No supervisor created
+    /// - Auto-archives on completion
+    Task,
 }
 
 impl Default for ContractType {
@@ -1019,6 +1027,7 @@ impl std::fmt::Display for ContractType {
         match self {
             ContractType::Simple => write!(f, "simple"),
             ContractType::Specification => write!(f, "specification"),
+            ContractType::Task => write!(f, "task"),
         }
     }
 }
@@ -1030,6 +1039,7 @@ impl std::str::FromStr for ContractType {
         match s.to_lowercase().as_str() {
             "simple" => Ok(ContractType::Simple),
             "specification" => Ok(ContractType::Specification),
+            "task" => Ok(ContractType::Task),
             _ => Err(format!("Unknown contract type: {}", s)),
         }
     }
@@ -1792,3 +1802,30 @@ pub struct ForkPoint {
     pub checkpoint: Option<TaskCheckpoint>,
     pub timestamp: DateTime<Utc>,
 }
+
+// =============================================================================
+// Adhoc Task Types (for one-off tasks without supervisor overhead)
+// =============================================================================
+
+/// Request payload for creating an adhoc (one-off) task.
+/// Creates a minimal "task" type contract with a single task, no supervisor.
+#[derive(Debug, Deserialize, ToSchema)]
+#[serde(rename_all = "camelCase")]
+pub struct AdhocTaskRequest {
+    /// Name/description of the task
+    pub name: String,
+    /// The plan/instructions for the task
+    pub plan: String,
+    /// Repository URL (optional)
+    pub repository_url: Option<String>,
+    /// Base branch to work from
+    pub base_branch: Option<String>,
+}
+
+/// Response for adhoc task creation
+#[derive(Debug, Serialize, ToSchema)]
+#[serde(rename_all = "camelCase")]
+pub struct AdhocTaskResponse {
+    pub contract: ContractSummary,
+    pub task: Task,
+}