feat(memory): native short-term KV + dual-layer resolve_context

.contextplus/hubs/tools.md

@@ -0,0 +1 @@
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

FUNDING.json

@@ -0,0 +1,7 @@
+{
+  "drips": {
+    "ethereum": {
+      "ownedBy": "0x64291eebc576C331ED6e8890Af176C079B9F5C7e"
+    }
+  }
+}

INSTRUCTIONS.md

@@ -26,20 +26,22 @@ The MCP server is built with TypeScript and communicates over stdio using the Mo
 - `static-analysis.ts` - Native linter runner (tsc, eslint, py_compile, cargo check, go vet).
 - `propose-commit.ts` - Code gatekeeper validating headers, FEATURE tag, no inline comments, nesting, file length.
 - `feature-hub.ts` - Obsidian-style feature hub navigator with bundled skeleton views.
-- `memory-tools.ts` - Memory graph MCP wrappers (upsert, relate, search, prune, interlink, traverse). The long-term memory graph architecture is also adapted by the complementary [pmll-memory-mcp](https://www.npmjs.com/package/pmll-memory-mcp) server (`npx pmll-memory-mcp`), which adds short-term KV memory and a solution engine — see [drQedwards/PPM](https://github.com/drQedwards/PPM).
+- `memory-tools.ts` - Memory graph + short-term KV / solution-engine MCP wrappers (`init`/`peek`/`set`/`resolve`/`flush`, `resolve_context`, `promote_to_long_term`, `memory_status`).
 
-The memory graph is a **Retrieval-Augmented Generation (RAG)** system. Agents MUST use `search_memory_graph` at the start of every task to retrieve prior context, and persist learnings with `upsert_memory_node` and `create_relation` after completing work. This prevents redundant exploration and builds cumulative knowledge across sessions.
+The memory graph is a **Retrieval-Augmented Generation (RAG)** system. Prefer `resolve_context` (KV then graph) and `peek` before expensive calls; persist learnings with `upsert_memory_node` / `promote_to_long_term`. Token burn reference (PPM three-way only): baseline ~302ms / peek-only ~26ms / combined ~36ms avg test exec; peek hits ~0ms — [three-way-speed-comparison.md](https://github.com/drQedwards/PPM/blob/main/mcp/benchmarks/three-way-speed-comparison.md). Optional complementary [pmll-memory-mcp](https://www.npmjs.com/package/pmll-memory-mcp) for Q-promise / Python SQLite P0; retrieval harness is labeled P@k/R@k/MRR only (not agent accuracy).
 
 **Core Layer** (continued):
 
 - `hub.ts` - Wikilink parser for `[[path]]` links, cross-link tags, hub discovery, orphan detection.
-- `memory-graph.ts` - In-memory property graph with JSON persistence, decay scoring, and auto-similarity edges.
+- `memory-graph.ts` - In-memory property graph with JSON persistence, decay scoring, auto-similarity edges, and `mergeRankHits` for dual-layer resolve ranking.
+- `short-term-kv.ts` - Session silo Map with `silo_size` LRU eviction; init/peek/set/flush + simple pending map.
+- `solution-engine.ts` - `resolve_context` (KV then graph), `promote_to_long_term`, `memory_status`.
 
 **Git Layer** (`src/git/`):
 
 - `shadow.ts` - Shadow restore point system for undo without touching git history.
 
-**Entry Point**: `src/index.ts` registers 17 MCP tools and starts the stdio transport. Accepts an optional CLI argument for the target project root directory (defaults to `process.cwd()`).
+**Entry Point**: `src/index.ts` registers the structural + memory MCP tools (including native short-term KV / solution engine) and starts the stdio transport. Accepts an optional CLI argument for the target project root directory (defaults to `process.cwd()`).
 
 ## Environment Variables
 

README.md

@@ -43,14 +43,22 @@ https://github.com/user-attachments/assets/a97a451f-c9b4-468d-b036-15b65fc13e79
 
 | Tool                      | Description                                                                                              |
 | ------------------------- | -------------------------------------------------------------------------------------------------------- |
+| `init` / `peek` / `set` / `resolve` / `flush` | Native short-term KV silo (`src/core/short-term-kv.ts`) with `silo_size` LRU eviction. |
+| `resolve_context`         | Dual-layer lookup: KV first, then memory graph via `mergeRankHits` unified ranking.                      |
+| `promote_to_long_term`    | Promote a KV entry into the persistent memory graph.                                                     |
+| `memory_status`           | Unified short-term + long-term status.                                                                   |
 | `upsert_memory_node`      | Create or update a memory node (concept, file, symbol, note) with auto-generated embeddings.             |
 | `create_relation`         | Create typed edges between nodes (relates_to, depends_on, implements, references, similar_to, contains). |
 | `search_memory_graph`     | Semantic search with graph traversal — finds direct matches then walks 1st/2nd-degree neighbors.         |
 | `prune_stale_links`       | Remove decayed edges (e^(-λt) below threshold) and orphan nodes with low access counts.                  |
 | `add_interlinked_context` | Bulk-add nodes with auto-similarity linking (cosine ≥ 0.72 creates edges automatically).                 |
 | `retrieve_with_traversal` | Start from a node and walk outward — returns all reachable neighbors scored by decay and depth.          |
 
-> **Complementary server:** [pmll-memory-mcp](https://www.npmjs.com/package/pmll-memory-mcp) (`npx pmll-memory-mcp`) is a separate MCP server by [@drQedwards](https://github.com/drQedwards) that adapts Context+'s long-term memory graph and adds short-term KV context memory, Q-promise deduplication, and a solution engine on top. See [drQedwards/PPM](https://github.com/drQedwards/PPM) for details.
+> **Core upgrade:** short-term KV + solution engine are now native (`short-term-kv.ts`, `solution-engine.ts`, `memory-tools.ts`). `mergeRankHits` supports unified ranking for dual-layer `resolve_context` (direct+neighbor by relevance) — separate from the pmll retrieval-stub harness ranking fix.
+>
+> **Token burn (PPM three-way, existing numbers):** [three-way-speed-comparison.md](https://github.com/drQedwards/PPM/blob/main/mcp/benchmarks/three-way-speed-comparison.md) — TS avg test exec baseline **~302ms**, Context+-only **~63ms**, peek-only **~26ms**, combined **~36ms**; peek hits **~0ms**.
+>
+> **Optional complementary:** [pmll-memory-mcp](https://www.npmjs.com/package/pmll-memory-mcp) for full Q-promise / Python SQLite P0 — [PPM](https://github.com/drQedwards/PPM) / [pmll](https://github.com/drQedwards/pmll). Retrieval harness measures labeled **P@k / R@k / MRR** only — **not** agent task accuracy; no 99% claims.
 
 ## Setup