Barrett Ruth 554b465a0d fix(highlight): use blend_alpha for line backgrounds ... Problem: `blend_alpha` was ignored for line backgrounds — transparent path used raw `add_bg`, non-transparent hardcoded 0.4. `DiffsClear.bg` was nil on transparent themes, letting native TS bg bleed through. Gutter Nr fg was blended instead of raw. Solution: collapse transparent/non-transparent into a single blend path using `blend_alpha` for line bg and `alpha + 0.3` for intra-line. Use raw `add_fg`/`del_fg` for gutter Nr fg. Set `DiffsClear.bg` to the resolved bg fallback. Apply same pattern to conflict regions.		2026-03-08 14:34:03 -04:00
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diffs	fix(highlight): use blend_alpha for line backgrounds	2026-03-08 14:34:03 -04:00