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⚡ Bolt: Optimize TUI rendering by leveraging pre-computed metadata cache - #146

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bolt-ui-render-cache-optimization-5421009520680852993
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⚡ Bolt: Optimize TUI rendering by leveraging pre-computed metadata cache#146
juntaochi wants to merge 1 commit into
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bolt-ui-render-cache-optimization-5421009520680852993

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@juntaochi

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💡 What: Refactored draw_metadata and draw_progress in src/ui/mod.rs to consume strings directly from MetadataCache instead of allocating new String instances with format! and .to_uppercase() on every frame.
🎯 Why: High-frequency TUI render loops degrade performance when generating strings on the fly. Caching metadata strings prevents unnecessary heap allocations on every UI tick, making rendering computationally cheaper.
📊 Impact: Eliminates multiple heap string allocations per frame, smoothing out the CPU overhead footprint during continuous UI rendering.
🔬 Measurement: Verify rendering stability by running cargo test --bin amcli and visually verifying the TUI layout updates as usual. The CPU footprint will be marginally reduced during idle UI ticks.


PR created automatically by Jules for task 5421009520680852993 started by @juntaochi

…epeated String allocations

Replaces expensive inline `.to_uppercase()` and `format!` operations in the `draw_metadata` and `draw_progress` frame rendering loops with values directly extracted from the pre-computed `MetadataCache`. This eliminates multiple heap allocations that previously fired roughly every 500ms on every UI tick.
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