docs(changelog): v1.0.4-rc4 — felt quality + harness measurement fidelity

[100yenadmin]

Cuts the rc4 checkpoint: the min-maxer planning layer (#951), story-craft directives (#960), and the QA-harness reliability pass (#966 — gate fidelity + #623 recovery, adversarially verified). CHANGELOG-only.

Summary by CodeRabbit

• Documentation
  • Updated CHANGELOG for version 1.0.4-rc4 release, documenting new planning and story-craft capabilities, spell-preparation features, feat browser tool, marketplace ordering enhancements, and QA reliability improvements.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 1031fd8d-8dda-434d-b483-45debebfa186

📥 Commits

Reviewing files that changed from the base of the PR and between 179a52f and 3888331.

📒 Files selected for processing (1)

• CHANGELOG.md

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📝 Walkthrough

Walkthrough

CHANGELOG.md receives a new [1.0.4-rc4] — 2026-06-17 entry under [Unreleased], documenting 34 lines of added release notes covering planning/theorycraft features, story-craft directives, and QA-harness reliability fixes.

Changes

CHANGELOG 1.0.4-rc4 Entry

Layer / File(s)	Summary
1.0.4-rc4 release notes CHANGELOG.md	Inserts the dated 1.0.4-rc4 block with bullet points for half-caster slot trust, priced-first marketplace ordering, camp spell-prep surfacing, feat browser tool, and QA gate/measurement fixes including crash-retry classification, party_traveled stall handling, mac handoff deadline derivation, and #623 edge-case recovery.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• electricsheephq/WorldOS#947: Also a documentation-only CHANGELOG.md update adding a prior 1.0.4-rc* entry under the same Unreleased section in the v1.0.4 candidate line.

Poem

A rabbit hops through notes and lore,
Half-casters trusted, spells galore,
The feat browser blooms, the marketplace gleams,
QA gates hold fast at the seams.
Each bullet a carrot, each fix a delight —
The changelog grows plump on this fine summer night! 🐇✨

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