docs+skills: add main UI/UX visual-truth PRD and skill links

.agents/skills/linus-beads-discipline/workflows/implement.md

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+# Implement Workflow
+
+**"I need to write code."**
+
+## Trigger
+- "Implement X"
+- "Write code for..."
+- "Build this feature"
+- "Add support for..."
+
+## The Flow
+
+### 1. Check Skills
+```
+Any relevant skills for implementation?
+- Language/framework skills
+- Testing skills
+- Code generation skills
+- Use if helpful, skip if not
+```
+
+### 2. Read Context
+```bash
+# Find or claim the bead
+bd ready
+bd show <id>
+
+# Read design decisions
+bd query "labels~=design AND title~=<feature>"
+
+# Read related closed beads for patterns
+bd query "status=closed AND labels~=<area>"
+```
+
+### 3. Claim the Work
+```bash
+bd update <id> --status in_progress --notes "Plan:
+1. <step 1>
+2. <step 2>
+...
+Acceptance: <from bead>"
+```
+
+### 4. Test-First Implementation
+```
+For each piece of behavior:
+1. Write failing test
+2. Run test, capture failure
+3. Implement minimal code to pass
+4. Run test, verify pass
+5. Refactor if needed
+```
+
+### 5. Update Progress
+```bash
+# After each meaningful progress
+bd update <id> --notes "Progress:
+- <X> complete, evidence: <test name>
+- <Y> in progress
+- <Z> blocked by: <blocker>"
+```
+
+### 6. Verify Gates
+```bash
+npm run typecheck && npm run lint && npm run test
+```
+
+All must pass before closing.
+
+### 7. Close with Evidence
+```bash
+bd update <id> --notes "Evidence:
+- typecheck: PASS
+- lint: PASS  
+- test: PASS (N/N)
+- Files changed: <list>
+- Coverage: <if relevant>"
+
+bd close <id> --reason "Implemented with verification"
+bd sync
+```
+
+## Implementation Principles
+
+### Small Steps
+```
+One behavior at a time.
+One file at a time when possible.
+Commit after each working state.
+```
+
+### No Speculation
+```
+Don't build for imagined future.
+Build for current concrete need.
+If future need arises, extend then.
+```
+
+### Evidence Every Claim
+```
+"I added X" → Which test proves it?
+"I fixed Y" → Which test was failing?
+"It works" → Show the output.
+```
+
+## Blocked?
+
+```bash
+bd update <id> --notes "BLOCKED: <what>
+Reason: <why>
+Needs: <what would unblock>
+Next agent: <handoff notes>"
+
+# If creating a blocker bead
+bd create "<blocker description>" --type task
+bd dep add <current-id> <blocker-id>
+```
+
+## Multi-Agent Implementation
+
+If another agent might continue:
+
+```bash
+bd update <id> --notes "Handoff:
+## Completed
+- X, Y, Z done
+
+## In Progress  
+- A partially done (see file:line)
+
+## Remaining
+- B, C still needed
+
+## Gotchas
+- <non-obvious things learned>
+- <patterns to follow>"
+```
+
+## The Gates Are Non-Negotiable
+
+Never close without:
+- `npm run typecheck` → PASS
+- `npm run lint` → PASS  
+- `npm run test` → PASS
+
+No exceptions. No "just this once". No "it's obvious".