feat(release): recover partial publish and release failures

[sonofmagic]

Summary

Fixes #848, #885, #886, #887, and #888.

Release CI now survives transient npm provenance and GitHub Release API failures, and provides an idempotent post-publish reconciliation mode for partially completed releases.

Changes

• Add configurable bounded retries with exponential backoff to GitHub API requests.
• Recover releases created during uncertain POST failures by querying the tag.
• Add release reconcile with package/version filters and --dry-run.
• Compare workspace versions, npm registry versions, tags, and GitHub Releases without republishing npm packages.
• Expose reconcile and dry-run inputs in the Release workflow.
• Add a patch change intent for the monorepo and repoctl packages.

Validation

• pnpm --filter @icebreakers/monorepo build
• pnpm --filter @icebreakers/monorepo exec tsc --noEmit -p tsconfig.json
• pnpm --filter @icebreakers/monorepo lint
• 66 Vitest files / 314 tests passed
• Full push checks passed: build, lint, typecheck

[changeset-bot]

🦋 Changeset detected

Latest commit: cc20ac1

The changes in this PR will be included in the next version bump.

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