[1.4] Phase 1 QA, UX polish, and documentation

[dotnetspark]

Complete Phase 1 with test coverage, UX improvements, and updated docs.

Tasks

• Simon: ensure 80%+ coverage, all tests pass in CI matrix
• Kaylee: verify emoji status indicators in agents; actionable error messages
• Book: update README, ARCHITECTURE, CHANGELOG for Phase 1 completion
• All CI checks green on main

See IMPLEMENTATION_PLAN.md milestone 1.4

[github-actions]

🏗️ Squad Triage — Mal (Lead/Architect)

Issue: #4 — [1.4] Phase 1 QA, UX polish, and documentation
Assigned to: Simon (QA Engineer)
Reason: Issue relates to testing/quality work

Team roster:

• Mal (Lead/Architect) → label: squad:mal
• Zoe (Core Dev) → label: squad:zoe
• Kaylee (UX Engineer) → label: squad:kaylee
• Simon (QA Engineer) → label: squad:simon
• Book (Docs/DevRel) → label: squad:book
• Ralph (Work Monitor) → label: squad:ralph

To reassign, remove the current squad:* label and add the correct one.

[github-actions]

📋 Assigned to Kaylee (UX Engineer)

Issue: #4 — [1.4] Phase 1 QA, UX polish, and documentation

Kaylee will pick this up in the next Copilot session.

For Copilot coding agent: If enabled, this issue will be worked automatically.
Otherwise, start a Copilot session and say:
Kaylee, work on issue #4

[github-actions]

📋 Assigned to Book (Docs/DevRel)

Issue: #4 — [1.4] Phase 1 QA, UX polish, and documentation

Book will pick this up in the next Copilot session.

For Copilot coding agent: If enabled, this issue will be worked automatically.
Otherwise, start a Copilot session and say:
Book, work on issue #4

[github-actions]

📋 Assigned to Simon (QA Engineer)

Issue: #4 — [1.4] Phase 1 QA, UX polish, and documentation

Simon will pick this up in the next Copilot session.

For Copilot coding agent: If enabled, this issue will be worked automatically.
Otherwise, start a Copilot session and say:
Simon, work on issue #4