Add parallel-team preset and cross-session delivery contract

[olehsvyrydov]

Summary

• Adds a parallel-delivery skill covering the claim protocol (assignee is the lock), workspace isolation (one clone/worktree per ticket), the ticket-is-sole-context rule, and the report-back contract (a PR + ticket comment + tracker transition — no side-channel status docs).
• Adds the parallel-team workflow preset (always_required: [CODE_REVIEWED], reviewer must be a different session than the implementer) to workflow.yaml, and its enum entry in workflow.schema.json; wires --preset=parallel-team into install.sh and its --help text.
• Extends both ticket templates (templates/user-story-template.md and the Scrum Master's references/templates.md) with Branch, Claimed by, Negative acceptance criteria, and Verification steps fields.
• Replaces the "conductor of the orchestra — every agent reports to you" language in commands/sm.md and commands/luda.md — walked back as unfalsifiable in the 5.1.0 changelog but never fixed at the command layer — with the board-integrity framing the Scrum Master skill itself already uses.
• Updates the skill/doc counts (42 → 43) and the README skill list to keep the framework's own validator green.

Dry run — one sample ticket filled from the new template fields alone

**Branch**: feat/login-attempt-throttle
**Claimed by**: worker-3 (tracker assignee field; this is the claim/lock)

## Negative Acceptance Criteria
- [ ] A 6th failed login within 60s for the same account is rejected, not just logged — enforced by `LoginThrottle.checkAttempt()`
- [ ] The throttle does not reset on a successful login from a different account sharing the same IP — enforced by `LoginThrottle` keying on `(account_id)`, not `(ip)`

## Verification Steps
1. `npm test -- login-throttle.spec.ts` → expected: `7 passed, 0 failed`
2. `curl -s -o /dev/null -w '%{http_code}' -X POST localhost:3000/login -d 'user=x&pass=wrong' (x6)` → expected: 6th response is `429`

Every field above was fillable from the template + the parallel-delivery skill's instructions alone, with no external report to read.

Test plan

• python3 scripts/validate-framework.py — all 7 gates pass (skills=43 commands=50 templates=6)
• claude plugin validate ./claude — passes (pre-existing warnings only: no version key by design, plugin-root CLAUDE.md not auto-loaded by design)
• workflow.yaml with preset: parallel-team validated against workflow.schema.json via jsonschema.validate — passes
• ./install.sh --dry-run --editors=claude --scope=project --preset=parallel-team --yes — installs cleanly, writes preset 'parallel-team' to the override file
• ./install.sh --dry-run --editors=all --scope=project --yes (default solo preset) — unchanged, still installs cleanly
• Diff of workflow.yaml/workflow.schema.json is additions-only: solo, small-team, regulated blocks are byte-for-byte unchanged
• No new persona/command added; no references to private projects, internal plans, or model names in the diff

[Copilot]

Pull request overview

Adds a new workflow preset (parallel-team) and a new cross-session process skill (parallel-delivery) to support parallel ticket execution with explicit claim/lock semantics, workspace isolation, and a standardized report-back contract, plus template and documentation updates to keep the framework consistent.

Changes:

• Added parallel-delivery skill documenting the cross-session claim/isolation/report-back protocol.
• Introduced parallel-team workflow preset (and schema/docs) and wired it into install.sh/README preset lists.
• Extended ticket templates and updated related command/docs copy and skill-count references (42 → 43).

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
README.md	Updates skill count and documents the new parallel-delivery process skill and preset option.
install.sh	Accepts --preset=parallel-team and validates it in argument parsing.
claude/workflow/workflow.yaml	Adds the parallel-team preset with CODE_REVIEWED always required.
claude/workflow/workflow.schema.json	Extends preset enum to include parallel-team.
claude/workflow/README.md	Documents parallel-team in the presets table.
claude/templates/user-story-template.md	Adds Branch, Claimed by, Negative AC, and Verification Steps fields to the user story template.
claude/skills/parallel-delivery/SKILL.md	New skill defining the parallel delivery contract and expectations.
claude/skills/management/scrum-master/references/templates.md	Extends the Scrum Master ticket template with Branch/Claimed by, Negative AC, and Verification Steps.
claude/commands/sm.md	Reframes Scrum Master “core principle” away from “conductor” language toward board-integrity framing.
claude/commands/luda.md	Same core-principle reframing as sm.md.
claude/CLAUDE.md	Updates skill count reference (42 → 43).
claude/AGENTS.md	Updates skill count reference (42 → 43).
CLAUDE.md	Updates skill count reference (42 → 43).

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