Keep list quota values readable in narrow terminals

[jimbb]

Summary

• Show compact credit headers when the terminal is too narrow for their full labels.
• Reserve enough width for complete quota percentages, including 100%, instead of truncating them with a dot.

Validation

• CODEX_HOME=<empty temp directory> zig build run -- list --skip-api
• zig build -Doptimize=ReleaseFast

The full test suite was not run.

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commit: 9bc2e29

[Loongphy]

Thanks for the PR — the problem is real, and your direction (compact headers, keeping 100% intact) is right. I verified the patch end-to-end with a pty harness across terminal widths 30–130 (synthetic account) and the full test suite passes on zig 0.16.

However, I'd prefer not to extend the legacy min-clamp layout in src/tui/table.zig, because it cannot handle the extremes well, no matter which minimums we pick:

1. Hard floor = sum of minimums. This patch raises the floor to 47 columns, so on 40–46 column terminals the table now hard-wraps where it used to fit. Any min-clamp design has this property; there is no in-design fix.
2. Variable-length values still collapse. Error-name overrides render as Fil. (4-char floor) and unlimited as u. — a floor only guarantees fixed-width values like 100%.
3. Untestable in CI. adjustListWidths() calls terminalWidth(), which reads the real stdout TTY inside the renderer, so the narrow layout can never be exercised by unit tests.

The interactive --live table already solves all three with budget allocation in src/cli/table_layout.zig::boundWidths:

// Instead of per-column minimums, distribute the available width by priority,
// then grow columns in a second pass:
growBoundedWidth(&remaining, &bounded.email, ...);          // 1. account identity
growBoundedWidth(&remaining, &bounded.rate_5h,
                 @min(widths.rate_5h, @max(4, "5H".len)));  // 2. 5H target = 4 → "100%" always fits
growBoundedWidth(&remaining, &bounded.rate_week, ...);      // 3. WEEKLY
// ...
growBoundedWidth(&remaining, &bounded.rate_5h, widths.rate_5h); // second pass: grow to content width

It never renders wider than the terminal (columns that receive no budget are hidden, so no hard-wrap), never produces dot-only cells, and is unit-tested in tests/table_layout_test.zig.

Could you rework this PR along those lines? Concretely:

1. Add a list-layout allocator in src/cli/table_layout.zig, e.g.
   boundListWidths(widths: [7]usize, prefix_len: usize, max_cols: ?usize) [7]usize,
   reusing growBoundedWidth. Suggested first-pass priority for the 7 columns:
   ACCOUNT → 5H (4) → WEEKLY (6) → CREDITS (2) → PLAN (4) → RESET CREDITS (2) → LAST (4),
   followed by a second pass that grows each column toward its content width while budget remains.
2. Make the renderer width-injectable:
   writeAccountsTableWithUsageOverridesForCols(out, reg, use_color, usage_overrides, term_cols: ?usize),
   keeping the current signature as a thin wrapper that passes terminalWidth(). Columns that receive
   width 0 are skipped entirely (header + cells + separators), not rendered empty.
3. Keep your compact-header idea (CREDITS→CR, RESET CREDITS→RESET/RC) — it fits naturally as the
   below-target fallback when a column ends up narrower than its full label.
4. While you're in there, please cap raw error-name overrides in
   setForegroundUsageOverrideForOutcome (src/workflows/usage.zig:686) to the same
   max_usage_override_display_width that formatStatusOverrideAlloc uses for status overrides,
   so FileNotFound doesn't depend on column luck to stay readable.
5. Add scenario tests for the new allocator following the style of tests/table_layout_test.zig
   (given width W: 100% complete, no line longer than W, compact headers, no dot-only cells).

With that: wide terminals stay byte-identical, narrow terminals never wrap or dot-collapse, and the layout becomes unit-testable. Happy to review a follow-up push — and if you'd rather not take on the refactor, no problem, just say so and the maintainer can continue from your branch.