Add agentic stamping workflow to marker context documentation

marker-context.md

@@ -91,6 +91,59 @@ Both bounds are deliverable chapter candidates. Do **not** use `gamign` or `env`
 
 ---
 
+## Agentic stamping workflow (MCP)
+
+Run on the **active sequence** in Premiere Pro with the CEP bridge panel connected (`ws://127.0.0.1:9801`). Do **not** auto-fill `editDesc` — markers and `prtranscript/` sidecars only.
+
+### 1. Premiere + MCP prep
+
+1. Open the stream `.prproj` / sequence (e.g. `2026-06-18 slump.ts`).
+2. Open **PremierPro MCP Bridge** (CEP) — confirm connected on port **9801**.
+3. Rebuild MCP if transcript tools are missing: `go build -o bin/server.exe ./cmd/server` in `AdobePremiereProMCP/go-orchestrator`, then restart the **premiere-pro** MCP in Cursor.
+4. Local mp4 for ffmpeg probes: `{year}/{date} {stream}.mp4` (e.g. `2026/2026-06-18 slump.ts.mp4`).
+
+### 2. Export transcript (before visual pass)
+
+Premiere 25 **Text > Transcript** is not readable via ExtendScript. Export through MCP:
+
+| Tool | `premiere_export_sequence_transcript` |
+|------|----------------------------------------|
+| `output_path` | `editDesc/prtranscript/{stream}.prtranscript` (absolute path) |
+| `format` | `prtranscript` (default), `json`, or `text` |
+
+**Pr 25 (preferred):** open **Window > UXP Plugins > PremierPro MCP UXP Bridge** and confirm **Connected** on `ws://127.0.0.1:9802`. Source clips must already be transcribed in **Text > Transcript**.
+
+Install once: `scripts/install-uxp-panel-win.bat` in the MCP repo. Enable UXP developer mode in Premiere preferences.
+
+**Fallback (no UXP / Pr 24):** in Text panel, **Create Captions**, then call the same tool (reads caption tracks; speakers often `Unknown`).
+
+Optional: `premiere_export_captions` → `.srt` / `.vtt` when a caption track exists.
+
+Use the exported `*_prtranscript.txt` (or `.prtranscript` blocks) as **segment seeds** for the visual pass — not as chapter timestamps alone.
+
+### 3. Baseline snapshot
+
+`premiere_get_sequence_markers` → save `editDesc/prtranscript/{stream}_markers_baseline.json`.
+
+### 4. Visual pass
+
+1. Merge transcript seeds with existing marker labels.
+2. ffmpeg probes: `editDesc/prtranscript/_*_probe/` — opsec clusters (below) plus ~10‑min sweeps during gameplay.
+3. `premiere_capture_frame_base64` at seeds / map titles when mp4 is unavailable.
+4. Write `editDesc/prtranscript/{stream}_visual_tags.txt`.
+
+### 5. Add markers
+
+- **Red (1):** new agent deliverable location/activity stamps only.
+- **White (5):** agent-added `INT:` / `LORE:` only when opsec rules justify them.
+- Never recolor or rename the user's existing markers.
+
+### 6. After snapshot + save
+
+Save `editDesc/prtranscript/{stream}_markers_after.json`. **Ctrl+S** the project (Synology paths may time out on `premiere_save_project`).
+
+---
+
 ## Opsec pass (agent)
 
 For each `gamign` ↔ `env` cluster: