feat: first-class plugin architecture + hide status bar cost by default (#1544)

The persistent status bar now shows context %, token counts, and
duration but NOT $ cost by default. Cost display is opt-in via:

  display:
    show_cost: true

in config.yaml, or: hermes config set display.show_cost true

The /usage command still shows full cost breakdown since the user
explicitly asked for it — this only affects the always-visible bar.

Status bar without cost:
  ⚕ claude-sonnet-4 │ 12K/200K │ 6% │ 15m

Status bar with show_cost: true:
  ⚕ claude-sonnet-4 │ 12K/200K │ 6% │ $0.06 │ 15m
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Teknium 2026-03-16 06:43:57 -07:00 committed by GitHub
parent 57be18c026
commit 447594be28
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3 changed files with 67 additions and 18 deletions

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@ -65,24 +65,39 @@ class TestCLIStatusBar:
assert "claude-sonnet-4-20250514" in text
assert "12.4K/200K" in text
assert "6%" in text
assert "$0.06" in text
assert "$0.06" not in text # cost hidden by default
assert "15m" in text
def test_build_status_bar_text_shows_cost_when_enabled(self):
cli_obj = _attach_agent(
_make_cli(),
prompt_tokens=10000,
completion_tokens=2400,
total_tokens=12400,
api_calls=7,
context_tokens=12400,
context_length=200_000,
)
cli_obj.show_cost = True
text = cli_obj._build_status_bar_text(width=120)
assert "$" in text # cost is shown when enabled
def test_build_status_bar_text_collapses_for_narrow_terminal(self):
cli_obj = _attach_agent(
_make_cli(),
prompt_tokens=10_230,
completion_tokens=2_220,
total_tokens=12_450,
prompt_tokens=10000,
completion_tokens=2400,
total_tokens=12400,
api_calls=7,
context_tokens=12_450,
context_tokens=12400,
context_length=200_000,
)
text = cli_obj._build_status_bar_text(width=60)
assert "" in text
assert "$0.06" in text
assert "$0.06" not in text # cost hidden by default
assert "15m" in text
assert "200K" not in text