Add high resolution battle icon samples

docs/battle-ui-icons-hq-sample-v1-report.md

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+# Battle UI Icon HQ Sample v1
+
+Date: 2026-07-03
+
+## Scope
+
+This sample reworks eight battle UI icons into a higher-resolution hand-painted raster direction:
+
+- might
+- intelligence
+- leadership
+- defense
+- move
+- sword
+- spear
+- strategy
+
+The atlas frame size was raised from 64px to 128px. Non-sample icons were preserved by upscaling the existing frames so the atlas layout remains compatible while the sample set can be reviewed in-game.
+
+## Outputs
+
+- Source generation sheet: `docs/battle-ui-icons-hq-sample-v1-source.png`
+- Sample contact sheet: `docs/battle-ui-icons-hq-sample-v1-contact.png`
+- Before/after comparison: `docs/battle-ui-icons-hq-sample-v1-before-after.png`
+- Battle UI browser check: `docs/battle-ui-icons-hq-sample-v1-battle-ui.png`
+- Applied atlas copy: `docs/battle-ui-icons-hq-sample-v1-atlas.png`
+- Previous atlas reference: `docs/battle-ui-icons-hq-sample-v1-before-atlas.png`
+- Runtime atlas: `src/assets/images/ui/battle-ui-icons.png`
+
+## Verification
+
+- Build: `pnpm build` passed.
+- Browser: local PC preview at `http://127.0.0.1:4189/heros_web/?v=hq-icon-sample-local`.
+- Console errors: none observed during the battle UI check.
+- The eight sample icons are visible in the unit detail and command UI. Individual strategy-list spell icons still use the older style and should be part of the post-approval full icon expansion.
+
+## Quality Notes
+
+- The sample icons use heavier silhouettes, dark outlines, painterly highlights, and material cues for metal, leather, cloth, bamboo, parchment, and armor.
+- They are intended to remain readable at 50-80px UI display sizes.
+- The current sample intentionally stops at eight icons. The remaining icons should be reworked only after this visual direction is approved.