chore: add vision tool and Claude Code skill for UI screenshot review

- scripts/vision.py: call MiMo v2.5 via Anthropic-format API for image analysis
- scripts/screenshot_mission_list.py: Playwright screenshot of /missions page
- .claude/skills/vision.md: Claude Code skill for vision task delegation

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

scripts/screenshot_mission_list.py

@@ -0,0 +1,14 @@
+"""Take screenshot of mission list page for review."""
+import sys
+sys.path.insert(0, "d:/My Coding Project/KSP_Project")
+from playwright.sync_api import sync_playwright
+
+with sync_playwright() as p:
+    browser = p.chromium.launch()
+    page = browser.new_page(viewport={"width": 1440, "height": 900})
+    page.goto("http://127.0.0.1:9000/missions", timeout=15000)
+    page.wait_for_load_state("networkidle")
+    page.wait_for_timeout(1000)  # extra render time
+    page.screenshot(path="scripts/mission_list_screenshot.png", full_page=True)
+    browser.close()
+    print("Screenshot saved: scripts/mission_list_screenshot.png")