Polish battle interaction feedback

docs/interaction-feedback-report.md

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+# Battle Interaction Feedback Verification
+
+Date: 2026-07-03
+
+## Scope
+
+- Added tile-centered pointer feedback for idle unit hover, movement selection, and attack/support targeting.
+- Kept the previous tile/foot-based click model intact.
+- Avoided unit bases, selection rings, and large badges over unit sprites.
+- Used thin tile highlights plus a compact side-panel hint line.
+
+## Local Verification
+
+- URL: `http://127.0.0.1:4194/heros_web/?debug&debugBattleSetup=attack-preview&v=interaction-feedback-local2`
+- Build: `pnpm build` passed.
+- Checked unit hover, valid movement tile, invalid occupied tile, attack command menu, target hover, and target preview.
+- Console errors: 0.
+
+Screenshots:
+
+- `docs/interaction-feedback-local-unit-hover.png`
+- `docs/interaction-feedback-local-move-valid.png`
+- `docs/interaction-feedback-local-move-invalid.png`
+- `docs/interaction-feedback-local-target-hover.png`
+- `docs/interaction-feedback-local-target-preview.png`
+
+## Deployed Verification
+
+- URL: `https://comtropy.synology.me/heros_web/?debug&debugBattleSetup=attack-preview&v=interaction-feedback-20260703`
+- Deploy: `pnpm deploy:nas` passed and deployed to `/volume1/web/heros_web`.
+- Checked the same unit hover, movement selection, and target selection flow on the deployed site.
+- Console errors: 0.
+
+Screenshots:
+
+- `docs/interaction-feedback-prod-unit-hover.png`
+- `docs/interaction-feedback-prod-move-valid.png`
+- `docs/interaction-feedback-prod-move-invalid.png`
+- `docs/interaction-feedback-prod-target-hover.png`
+- `docs/interaction-feedback-prod-target-preview.png`