Docs: link canonical Tool Contract ecosystem

README.md

@@ -85,7 +85,7 @@ If the agent cannot produce the artifact, the work cannot be promoted.
 
 - Architecture generation: Trinity v2
 - Runtime release: v0.1.0
-- Public Tool Contract: v1.0 freeze candidate; working spec is `v1.1.0-draft`
+- Tool Contract ABI: v1.0.0 stable; validation tooling v1.0.1
 - Kernel CLI: verified v0.1.0 runtime included in this repository
 - Release evidence: [`docs/releases/TRINITY_V0_1_0_RELEASE_EVIDENCE.md`](docs/releases/TRINITY_V0_1_0_RELEASE_EVIDENCE.md)
 
@@ -108,6 +108,27 @@ Clean export without optional sibling tools: 1860 passed, 8 skipped
 
 ---
 
+## Tool Ecosystem
+
+Trinity separates the kernel, public ABI, and tools that implement the ABI.
+
+| Tool | Role | Status | Contract | Repo |
+|---|---|---|---|---|
+| Trinity Protocol | Kernel / governance runtime | v0.1.0 stable | consumes Tool Contract | this repo |
+| Trinity Tool Contract | Stable ABI for CLI tools | v1.0.0 stable, v1.0.1 validator | v1.0 | [`postmunnet/trinity-tool-contract`](https://github.com/postmunnet/trinity-tool-contract) |
+| browser-cli | Browser automation organ | planned clean export | target v1.0 | planned |
+| memory-cli | Artifact memory organ | planned | target v1.0 | planned |
+| verify-cli | Verification organ | planned | target v1.0 | planned |
+| retro-cli | Retrospective / memory handoff organ | planned | target v1.0 | planned |
+
+Canonical Tool Contract:
+
+- [`postmunnet/trinity-tool-contract`](https://github.com/postmunnet/trinity-tool-contract)
+- pinned ABI: [`v1.0.0`](https://github.com/postmunnet/trinity-tool-contract/tree/v1.0.0)
+- validation tooling: [`v1.0.1`](https://github.com/postmunnet/trinity-tool-contract/releases/tag/v1.0.1)
+
+---
+
 ## Architecture
 
 ```text
@@ -206,7 +227,7 @@ Specs:
 
 - [`docs/specs/INDEX.md`](docs/specs/INDEX.md)
 - [`docs/specs/00_BLUEPRINT.md`](docs/specs/00_BLUEPRINT.md)
-- [`docs/specs/01_TOOL_CONTRACT.md`](docs/specs/01_TOOL_CONTRACT.md)
+- [`docs/specs/01_TOOL_CONTRACT.md`](docs/specs/01_TOOL_CONTRACT.md) redirects to [`postmunnet/trinity-tool-contract`](https://github.com/postmunnet/trinity-tool-contract)
 
 ---
 
@@ -242,7 +263,7 @@ Version story:
 ```text
 Trinity Protocol v2  = architecture / constitution generation
 Runtime v0.1.0       = first public executable runtime line
-Tool Contract        = v1.0 freeze candidate, v1.1 draft working spec
+Tool Contract ABI    = v1.0.0 stable; validation tooling v1.0.1
 ```
 
 See [`docs/VERSION_LINEAGE.md`](docs/VERSION_LINEAGE.md).
@@ -279,3 +300,4 @@ Trinity คือ control layer แบบ CLI-first สำหรับงาน
 - [`docs/ORIGIN_TH.md`](docs/ORIGIN_TH.md) — ที่มาของ Trinity
 - [`docs/RITUALS_TH.md`](docs/RITUALS_TH.md) — ritual reference
 - [`docs/operator-guide-th/00_README.md`](docs/operator-guide-th/00_README.md) — คู่มือใช้งาน
+- [`postmunnet/trinity-tool-contract`](https://github.com/postmunnet/trinity-tool-contract) — Tool Contract ABI v1.0

docs/VERSION_LINEAGE.md

@@ -8,7 +8,7 @@ contracts. They should not be collapsed into one number.
 ```text
 Trinity Protocol v2  = architecture / constitution generation
 Runtime v0.1.0       = first public executable runtime line
-Tool Contract        = v1.0 freeze candidate, v1.1 draft working spec
+Tool Contract ABI    = v1.0.0 stable; validation tooling v1.0.1
 ```
 
 ## v0.1.0

docs/VERSION_LINEAGE_TH.md

@@ -8,7 +8,7 @@ Trinity แยก version line ของ architecture, runtime และ tool co
 ```text
 Trinity Protocol v2  = architecture / constitution generation
 Runtime v0.1.0       = first public executable runtime line
-Tool Contract        = v1.0 freeze candidate, v1.1 draft working spec
+Tool Contract ABI    = v1.0.0 stable; validation tooling v1.0.1
 ```
 
 ## v0.1.0