[extension] Add Spec Kit Memory extension to community catalog (#3455)

* Add Spec Kit Memory extension to community catalog

Add memory extension submitted by @zaytsevand to:
- extensions/catalog.community.json (alphabetical order)
- docs/community/extensions.md community extensions table

Closes #3446

Assisted-by: GitHub Copilot (model: claude-sonnet-4.6, autonomous)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix: resolve merge conflicts with main branch

- extensions/catalog.community.json: keep updated_at 2026-07-10 (more recent)
- docs/community/extensions.md: include both Spec Kit Figma (main) and
  Spec Kit Memory (this PR) in alphabetical order

Assisted-by: GitHub Copilot (model: claude-sonnet-4.5, autonomous)

* fix: add memsearch optional tool dependency to memory extension catalog entry

Assisted-by: GitHub Copilot (model: claude-sonnet-4.5, autonomous)

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

docs/community/extensions.md

@@ -120,6 +120,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Spec Diagram | Auto-generate Mermaid diagrams of SDD workflow state, feature progress, and task dependencies | `visibility` | Read-only | [spec-kit-diagram-](https://github.com/Quratulain-bilal/spec-kit-diagram-) |
 | Spec Kit Discovery Extension | Run technical discovery commands for feasibility, technology selection, scenario-specific technical decisions, legacy codebase assessment, implementation understanding, and proof-of-concept validation | `process` | Read+Write | [spec-kit-discovery](https://github.com/bigsmartben/spec-kit-discovery) |
 | Spec Kit Figma | Agent-agnostic SpecKit extension that grounds spec, plan & task generation in Figma design context — REST + optional MCP, single/mono/multi-repo, macOS/Linux/Windows. | `integration` | Read+Write | [spec-kit-figma](https://github.com/Fyloss/spec-kit-figma) |
+| Spec Kit Memory | Recalls prior specs and decisions from configurable memory tools (e.g. memsearch) before SDLC stages, so planning and specification start from what the project already knows | `docs` | Read+Write | [spec-kit-memory](https://github.com/zaytsevand/spec-kit-memory) |
 | Spec Kit Preview | Generate evidence-backed low, mid, or high fidelity previews from Spec Kit artifacts as Markdown or self-contained HTML | `docs` | Read+Write | [spec-kit-preview](https://github.com/bigsmartben/spec-kit-preview) |
 | Spec Kit Schedule | Optimal multi-agent task scheduling via CP-SAT — DAG precedence, hallucination-aware caps, file-conflict avoidance, stochastic durations, replanning, and interactive HTML output | `process` | Read+Write | [spec-kit-schedule](https://github.com/jfranc38/spec-kit-schedule) |
 | Spec Kit TLDR | Render a feature's spec.md / plan.md into a review-oriented TLDR (self-contained HTML dashboard + PR-native Markdown) that surfaces risks for faster PR review. | `visibility` | Read+Write | [speckit-tldr](https://github.com/qurore/speckit-tldr) |

extensions/catalog.community.json

@@ -2268,6 +2268,42 @@
       "created_at": "2026-05-08T00:00:00Z",
       "updated_at": "2026-05-08T00:00:00Z"
     },
+    "memory": {
+      "name": "Spec Kit Memory",
+      "id": "memory",
+      "description": "Recalls prior specs and decisions from configurable memory tools (e.g. memsearch) before SDLC stages, so planning and specification start from what the project already knows.",
+      "author": "Andrey Zaytsev",
+      "version": "0.3.0",
+      "download_url": "https://github.com/zaytsevand/spec-kit-memory/archive/refs/tags/v0.3.0.zip",
+      "repository": "https://github.com/zaytsevand/spec-kit-memory",
+      "homepage": "https://github.com/zaytsevand/spec-kit-memory",
+      "documentation": "https://github.com/zaytsevand/spec-kit-memory/blob/main/README.md",
+      "changelog": "",
+      "license": "MIT",
+      "category": "docs",
+      "effect": "read-write",
+      "requires": {
+        "speckit_version": ">=0.2.0",
+        "tools": [
+          { "name": "memsearch", "required": false }
+        ]
+      },
+      "provides": {
+        "commands": 2,
+        "hooks": 3
+      },
+      "tags": [
+        "memory",
+        "recall",
+        "research",
+        "memsearch"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-07-10T00:00:00Z",
+      "updated_at": "2026-07-10T00:00:00Z"
+    },
     "memory-loader": {
       "name": "Memory Loader",
       "id": "memory-loader",