scheduled prompts: edit existing schedule (closes #474)

hive-ag3nt/src/mcp.rs

@@ -981,6 +981,33 @@ pub struct CancelScheduleArgs {
     pub targets: Option<Vec<String>>,
 }
 
+#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
+pub struct EditScheduleArgs {
+    /// Schedule id from a prior `list_schedules` call or the
+    /// approval-resolved event for a `request_schedule_prompt`.
+    pub id: i64,
+    /// New body text. Omit to keep the existing one.
+    #[serde(default)]
+    pub body: Option<String>,
+    /// New description. Omit to keep the existing one. (To CLEAR
+    /// the description, use the dashboard PATCH endpoint
+    /// directly — the agent surface intentionally keeps the args
+    /// flat / non-nullable to dodge the doubly-wrapped Option
+    /// schemars quirk; clearing fields is rare and operator-side.)
+    #[serde(default)]
+    pub description: Option<String>,
+    /// Recurring interval in seconds. Omit to keep the existing
+    /// cadence; pass an explicit value to set a new one. Toggling
+    /// recurring↔one-shot (clearing the interval) is operator-only
+    /// for the same reason as `description` above.
+    #[serde(default)]
+    pub interval_seconds: Option<u64>,
+    /// New absolute unix timestamp for the next fire. Omit to
+    /// leave the schedule on its current cadence.
+    #[serde(default)]
+    pub next_fire_at_unix: Option<i64>,
+}
+
 #[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
 pub struct GetLogsArgs {
     /// Logical agent name to fetch logs for (e.g. `gui`, `hm1nd`).
@@ -1327,6 +1354,44 @@ impl ManagerServer {
         .await
     }
 
+    #[tool(
+        description = "Edit an existing scheduled prompt's mutable fields (#474). Pass only \
+        the fields you want to change — anything omitted keeps its current value. Editable: \
+        `body`, `description`, `interval_seconds` (positive only via this tool; flipping \
+        recurring→one-shot is operator-only via the dashboard), `next_fire_at_unix`. \
+        Targets are immutable: per-target last-result history is keyed on them. To change \
+        the recipient list, cancel and submit a new schedule. \n\n\
+        Authorization mirrors `cancel_schedule` / `fire_schedule_now`: you can edit your \
+        own schedules + any owned by a sub-agent in your subtree per topology.json. \
+        Refuses cancelled schedules (the row's terminal — submit a fresh one)."
+    )]
+    async fn edit_schedule(&self, Parameters(args): Parameters<EditScheduleArgs>) -> String {
+        let log = format!("{args:?}");
+        run_tool_envelope("edit_schedule", log, async move {
+            let id = args.id;
+            let (resp, retries) = self
+                .dispatch(hive_sh4re::ManagerRequest::EditSchedule {
+                    id: args.id,
+                    body: args.body,
+                    // The agent-side args use plain Option<T>; the
+                    // manager wire type's `Some(None)` ("set to
+                    // null") cases stay operator-exclusive, so we
+                    // promote agent-supplied values into
+                    // `Some(Some(v))` and omit when the agent
+                    // didn't pass a value.
+                    description: args.description.map(Some),
+                    interval_seconds: args.interval_seconds.map(Some),
+                    next_fire_at_unix: args.next_fire_at_unix,
+                })
+                .await;
+            annotate_retries(
+                format_ack(resp, "edit_schedule", format!("edited #{id}")),
+                retries,
+            )
+        })
+        .await
+    }
+
     #[tool(
         description = "List every scheduled prompt in the queue (active + cancelled but \
         not yet reaped). Returns the full snapshot — schedule id, owner, body, target set \