docs: track TS SDK parity reference to npm v2.6.0 stable

TS SDK cut 2.6.0 stable on npm tonight; the parity reference in the
pyproject description and README moves from v2.6.0-alpha.9 to v2.6.0.
Wave 1 surface list unchanged; Wave 2 remains TS-only and is not
claimed here. Build exit 0; pytest 568 passed, 1 skipped, 6 xfailed,
0 failed. Note: PyPI already carries 2.4.0a3 (immutable), so this
metadata lands in the repo now and ships with the next version bump.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: aeoess

README.md

@@ -110,7 +110,7 @@ This Python SDK implements all 8 Agent Passport Protocol layers:
 7. **Integration Wiring** — Cross-layer bridges (commerce+intent, coordination+agora)
 8. **Agentic Commerce** — 4-gate checkout, human approval, spend limits
 
-Cross-language parity with the [TypeScript SDK](https://www.npmjs.com/package/agent-passport-system) at npm v2.6.0-alpha.9. Python SDK 2.4.0a2 ships the full Wave 1 surface: ActionReceipt, AuthorityBoundaryReceipt, CustodyReceipt, ContestabilityReceipt, APSBundle (with balanced Merkle commitment), Cognitive Attestation (Paper 4 — three-stage verification, typed dispute primitives), and Instruction Provenance Receipts v0.2 (path canonicalization, context-root binding, action-time recompute). The four evidentiary type safety primitives shipped in 2.4.0a0. All surfaces verified against TS-issued fixtures for byte-identical canonical JSON. Cross-language signature verification covers every signed primitive in the SDK. Also available via the [MCP server](https://mcp.aeoess.com/sse).
+Cross-language parity with the [TypeScript SDK](https://www.npmjs.com/package/agent-passport-system) at npm v2.6.0. Python SDK 2.4.0a2 ships the full Wave 1 surface: ActionReceipt, AuthorityBoundaryReceipt, CustodyReceipt, ContestabilityReceipt, APSBundle (with balanced Merkle commitment), Cognitive Attestation (Paper 4 — three-stage verification, typed dispute primitives), and Instruction Provenance Receipts v0.2 (path canonicalization, context-root binding, action-time recompute). The four evidentiary type safety primitives shipped in 2.4.0a0. All surfaces verified against TS-issued fixtures for byte-identical canonical JSON. Cross-language signature verification covers every signed primitive in the SDK. Also available via the [MCP server](https://mcp.aeoess.com/sse).
 
 ## Links
 

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "hatchling.build"
 [project]
 name = "agent-passport-system"
 version = "2.4.0a3"
-description = "Python SDK for the Agent Passport System. Identity, delegation, governance, data source registration, training attribution, per-period attribution settlement, mutual authentication, evidentiary type safety, Wave 1 accountability primitives (action, authority-boundary, custody, contestability, bundle), Cognitive Attestation, Instruction Provenance Receipts. Cross-language parity with agent-passport-system npm v2.6.0-alpha.9 verified by byte-identical canonical JSON fixtures."
+description = "Python SDK for the Agent Passport System. Identity, delegation, governance, data source registration, training attribution, per-period attribution settlement, mutual authentication, evidentiary type safety, Wave 1 accountability primitives (action, authority-boundary, custody, contestability, bundle), Cognitive Attestation, Instruction Provenance Receipts. Cross-language parity with agent-passport-system npm v2.6.0 verified by byte-identical canonical JSON fixtures."
 readme = "README.md"
 license = "Apache-2.0"
 requires-python = ">=3.9"