install-subagentslisted

## Inputs - PBI assignment (backlog.json → assigned PBI details) - Sub-agent definitions in `.claude/agents/` directory ## Outputs - Confirmation of available sub-agents - sprint.json → developers[].sub_agents (the sub-agents installed for this developer's pipeline profiles this Sprint) ## Required Sub-Agents Verify these 11 sub-agents exist with valid YAML frontmatter at `.claude/agents/<name>.md`: **PBI Pipeline (Developer-spawned, per Round):** - `pbi-designer` - `pbi-implementer` - `pbi-ut-author` - `codex-design-reviewer` - `codex-impl-reviewer` - `codex-ut-reviewer` **PBI Integrity stage (Developer-spawned, 5-aspect parallel at the Round tail):** - `requirement-conformance-reviewer` - `functional-quality-reviewer` - `security-reviewer` - `maintainability-reviewer` - `docs-consistency-reviewer` Missing required → BLOCK (escalate to SM, do not proceed to PBI work). ## Steps 1. Analyze PBI→determine specialist needs 2. Verify ALL required sub-agents exist: ```bash for name in pbi-designer pbi-implementer pbi-ut-author \ codex-design-reviewer codex-impl-reviewer codex-ut-reviewer \ requirement-conformance-reviewer functional-quality-reviewer \ security-reviewer maintainability-reviewer docs-consistency-reviewer; do [ -f ".claude/agents/$name.md" ] || { echo "MISSING REQUIRED: $name"; exit 1; } done ``` 3. Verify YAML frontmatter on each (yq eval '.name' or equivalent). 4. During pbi-pipeline executi