Gate GitHub Pages deployment

[konard]

Fixes #69

Summary

• Gate the GitHub Pages deployment job behind manual workflow_dispatch with deploy_pages: true on main.
• Keep WebAssembly tests, production web build, and artifact upload running automatically on pushes and PRs.
• Preserve the failed Actions run metadata/logs and local verification logs under docs/case-studies/issue-69/.
• Add experiments/validate-wasm-workflow.mjs to check that Pages deployment cannot run automatically on normal main pushes.

Root Cause

The failed run https://github.com/link-foundation/link-cli/actions/runs/25245349330 passed the test/build job, then failed in actions/configure-pages@v5 because the repository did not have GitHub Pages enabled/configured for GitHub Actions. The workflow called that Pages API automatically on every push to main.

Verification

• node experiments/validate-wasm-workflow.mjs
• npm ci
• npm run test:wasm
• npm run build

Notes

The raw downloaded GitHub Actions log is committed as case-study evidence and is intentionally preserved as captured.

[konard]

Working session summary

Implemented and pushed the fix on issue-69-43fc7f1a4ec3.

PR 70 is ready for review: #70

What changed:

• Gated GitHub Pages deployment behind manual workflow_dispatch with deploy_pages: true on main.
• Kept WebAssembly test/build/artifact CI running automatically.
• Added the issue 69 case study and preserved CI evidence under docs/case-studies/issue-69/.
• Added experiments/validate-wasm-workflow.mjs to guard against reintroducing automatic Pages deployment.

Verification:

• node experiments/validate-wasm-workflow.mjs
• npm ci
• npm run test:wasm
• npm run build
• Fresh PR CI passed on head cb9a15b; Test succeeded and Deploy GitHub Pages was skipped as intended.

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This summary was automatically extracted from the AI working session output.

[konard]

🤖 Solution Draft Log

This log file contains the complete execution trace of the AI solution draft process.

💰 Cost estimation:

• Model: GPT-5.5
• Provider: OpenAI
• Public pricing estimate: $7.827870

📊 Context and tokens usage:

• 5.5M / 1.1M (526%) input tokens, 11.8K / 128K (9%) output tokens

Total: (197.2K + 5.3M cached) input tokens, 11.8K output tokens, $7.827870 cost

🤖 Models used:

• Tool: OpenAI Codex
• Requested: gpt-5.5
• Model: GPT-5.5 (gpt-5.5)

📎 Log file uploaded as Gist (16138KB)

• View complete solution draft log

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Now working session is ended, feel free to review and add any feedback on the solution draft.

[konard]

✅ Ready to merge

This pull request is now ready to be merged:

• All CI checks have passed
• No merge conflicts
• No pending changes

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