Add WebMCP Causal Mission Control

[Cuuper22]

What changed

Turns the existing GPUSTACK Causal Observatory into an evidence-grounded WebMCP challenge entry.

• registers 8 top-level imperative WebMCP tools
• audits the immutable E001-SC1 adaptive-policy claim across 6 held-out stress families
• exposes bounded run projections tied to the authoritative raw SHA-256
• highlights causal paths and evidence in the shared UI
• stages conclusions behind an explicit human-only approve/reject boundary
• records visible receipts and supports undo
• adds the MIT license, challenge disclosure, official-format evals, and tests

Existing-project disclosure

The exact pre-challenge state remains at 3d7339a87e13c4f809ed223c2aa299fb3f631799 and the public pre-webmcp-baseline ref. CHALLENGE.md maps every post-baseline contribution.

Verification

• 1059 passed in the full Python suite
• 20 passed in focused WebMCP/projection tests
• 2 passed in the JavaScript end-to-end mission runtime suite
• JavaScript syntax, HTML asset/ID integration, eval JSON, and git diff --check pass