Snapshot WIP: solver HP epic progress, BPHX/HX physics, BMAD skill refresh.

Capture uncommitted solver robustness work (regularization, domain errors, linear solver lifecycle, tube DP/MSH), web workbench updates, and synced BMAD skills across IDE agent folders before starting BPHX pressure-drop.

Co-authored-by: Cursor <cursoragent@cursor.com>

.cline/skills/bmad-ux/assets/headless-schemas.md

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+# Headless Mode JSON Schemas
+
+Every headless run ends with one of these payloads. Omit keys for artifacts not produced.
+
+## Common fields
+
+- `status` — `"complete"`, `"blocked"`, or `"partial"`
+- `intent` — `"create"`, `"update"`, or `"validate"` (matches the detected intent)
+- `reason` — required when `status` is `"blocked"`; one-sentence explanation
+- `assumptions` — array of inferred values that were not directly confirmed by inputs
+- `open_questions` — array of items that need a human decision before the artifact can be considered final
+
+## Create
+
+```json
+{
+  "status": "complete",
+  "intent": "create",
+  "design": "{doc_workspace}/DESIGN.md",
+  "experience": "{doc_workspace}/EXPERIENCE.md",
+  "memlog": "{doc_workspace}/.memlog.md",
+  "working_artifacts": ["{doc_workspace}/.working/color-themes-1.html"],
+  "promoted_artifacts": {
+    "mockups": ["{doc_workspace}/mockups/direction-calm-sage.html"],
+    "wireframes": ["{doc_workspace}/wireframes/ia-2026-05-19.excalidraw"]
+  },
+  "open_questions": [],
+  "assumptions": [],
+  "external_handoffs": [
+    {"directive": "Confluence upload", "tool": "corp:confluence_upload", "url": "https://confluence.corp/DESIGN/123", "status": "ok"}
+  ]
+}
+```
+
+The `working_artifacts` and `promoted_artifacts` keys are optional and omitted entirely when empty. Headless Create runs default to not enabling creative tools — both keys are typically absent in headless output unless the caller enabled them.
+
+## Update
+
+```json
+{
+  "status": "complete",
+  "intent": "update",
+  "design": "{doc_workspace}/DESIGN.md",
+  "experience": "{doc_workspace}/EXPERIENCE.md",
+  "memlog": "{doc_workspace}/.memlog.md",
+  "changes_summary": "1-3 sentences describing what changed and why",
+  "conflicts_with_prior_decisions": [],
+  "open_questions": [],
+  "external_handoffs": [
+    {"directive": "Confluence upload", "tool": "corp:confluence_upload", "url": "https://confluence.corp/DESIGN/123", "status": "ok"}
+  ]
+}
+```
+
+## Validate
+
+```json
+{
+  "status": "complete",
+  "intent": "validate",
+  "validation_report": "{doc_workspace}/validation-report.md",
+  "findings_summary": {
+    "critical": 0,
+    "high": 0,
+    "medium": 0,
+    "low": 0
+  },
+  "offer_to_update": true
+}
+```
+
+`validation_report` is always written for Validate intent — the path here is required, not optional.
+
+## Blocked
+
+```json
+{
+  "status": "blocked",
+  "intent": "update",
+  "reason": "Change signal ambiguous — could be a brand refresh or an accessibility audit response; no inferred direction"
+}
+```
+
+Always include the intent (best-guess if not certain) and a one-sentence `reason`.