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Fix capacity matrix build regressions

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mikecarper committed 2026-09-17 23:54:11 -07:00
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docs/firmware_memory_budget.md
+4 -1
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@@ -37,7 +37,10 @@ The [small-screen message layout](v4_pixel5_font_trial.md) retains complete
160-byte messages. Its expanded preview records add 2,816 bytes to the
startup allowance and increase the contiguous history allocation budget.
The V4 can allocate that history in PSRAM; the guard conservatively reserves
internal capacity so that PSRAM availability cannot hide a RAM shortage.
internal capacity so that PSRAM availability cannot hide a RAM shortage. A
target may replace the generic UI allowance only with
`MESH_COMPANION_SCREEN_STARTUP_BYTES`; a source-side assertion then covers its
actual startup screens plus ESP32 allocator overhead.
These are engineering allowances for supported configurations, not measured
free heap after boot or a guarantee against every future allocation failure.