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Add scratchpad_delete MCP tool

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Mirrors the existing scratchpad_* tools end-to-end: catalog schema,
dispatch, ToolHost.ScratchpadDelete, and a host method that delegates to
scratchpad.Store.Delete and fires scratchpadsChanged() on success so the
sidebar refreshes. Missing-pad errors surface rather than being masked.

Resolves the [MCP SCRATCHPAD DELETE] TODO item.
This commit is contained in:
Harry Bayliss
2026-05-25 12:23:58 +01:00
parent f61788eff2
commit 96f7c66d5f
6 changed files with 146 additions and 5 deletions
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17
internal/mcp/tools.go
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@@ -101,6 +101,7 @@ type ToolHost interface {
ScratchpadRead(name string) (content string, revision string, err error)
ScratchpadWrite(name, content, expectedRevision string) (revision string, err error)
ScratchpadAppend(name, content string) error
ScratchpadDelete(name string) error
// Meta.
WhoAmI(callerID string) WhoAmI
@@ -244,8 +245,8 @@ type TimerInfo struct {
ID string `json:"timer_id"`
Label string `json:"label,omitempty"`
Body string `json:"body,omitempty"`
Kind string `json:"kind"` // "delay" | "idle_any" | "idle_all"
Status string `json:"status"` // "pending" | "paused"
Kind string `json:"kind"` // "delay" | "idle_any" | "idle_all"
Status string `json:"status"` // "pending" | "paused"
OwnerID string `json:"owner_process_id"`
WatchedIDs []string `json:"watched,omitempty"`
FiresAtUnixMS int64 `json:"fires_at_unix_ms,omitempty"`
@@ -776,6 +777,18 @@ func callTool(h ToolHost, callerID, method string, params json.RawMessage) (any,
}
return map[string]any{"ok": true}, 0, "", nil
case "scratchpad_delete":
var p struct {
Name string `json:"name"`
}
if err := unmarshalParams(params, &p); err != nil {
return nil, codeInvalidParams, err.Error(), nil
}
if err := h.ScratchpadDelete(p.Name); err != nil {
return nil, codeInternal, err.Error(), nil
}
return map[string]any{"ok": true}, 0, "", nil
case "whoami":
return h.WhoAmI(callerID), 0, "", nil