refactor(ux): consolidate BMAD skills, update design system, and clean up Prisma generated client

.agent/skills/bmad-checkpoint-preview/generate-trail.md

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+# Generate Review Trail
+
+Generate a review trail from the diff and codebase context. A generated trail is lower quality than an author-produced one, but far better than none.
+
+## Follow Global Step Rules in SKILL.md
+
+## INSTRUCTIONS
+
+1. Get the full diff against the appropriate baseline (same rules as Surface Area Stats in step-01).
+2. Read changed files in full — not just diff hunks. Surrounding code reveals intent that hunks alone miss. If total file content exceeds ~50k tokens, read only the files with the largest diff hunks in full and use hunks for the rest.
+3. If a spec exists, use its Intent section to anchor concern identification.
+4. Identify 2–5 concerns: cohesive design intents that each explain *why* behind a cluster of changes. Prefer functional groupings and architectural boundaries over file-level splits. A single-concern change is fine — don't invent groupings.
+5. For each concern, select 1–4 `path:line` stops — locations where the concern is most visible. Prefer entry points, decision points, and boundary crossings over mechanical changes.
+6. Lead with the entry point — the highest-leverage stop a reviewer should see first. Inside each concern, order stops so each builds on the previous. End with peripherals (tests, config, types).
+7. Format each stop using `path:line` per the global step rules:
+
+```
+**{Concern name}**
+
+- {one-line framing, ≤15 words}
+  `src/path/to/file.ts:42`
+```
+
+When there is only one concern, omit the bold label — just list the stops directly.
+
+## PRESENT
+
+Output after the orientation:
+
+```
+I built a review trail for this {change_type} (no author-produced trail was found):
+
+{generated trail}
+```
+
+The generated trail serves as the Suggested Review Order for subsequent steps. Set `review_mode` to `full-trail` — a trail now exists, so all downstream steps should treat it as one.
+
+If git is unavailable or the diff cannot be retrieved, return to step-01 with: "Could not generate trail — git unavailable."