The Memory tab was read-only — users could see and Delete entries but
the only path to write was leaving canvas. Adds a + Add button (toolbar,
next to Refresh) and an Edit button (per-entry, next to Delete) that
share one MemoryEditorDialog.
Add: POST /workspaces/:id/memories with {content, scope, namespace}
Edit: PATCH /workspaces/:id/memories/:id (sibling endpoint #2838)
with only fields that changed; no-op edits short-circuit
client-side so we don't waste a redactSecrets + re-embed pass
Edit mode locks scope (cross-scope moves go through delete + recreate
to keep the GLOBAL audit-log + redact pipeline single-purpose).
Tests: 6 cases on the dialog covering POST shape, PATCH-only-diff,
no-op short-circuit, empty-content guard, save-error keeps modal open,
and namespace+content combined PATCH. Existing 27 MemoryInspectorPanel
tests still pass with the new prop wiring.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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