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dotfiles/claude-obsidian/config.env.example
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noconnorandClaude Opus 5 2bfa7e9a2d claude-obsidian: meter and cap usage; cut per-session cost ~5.6x
The user asked for usage to be monitored closely, and measuring it turned
up that most of the spend was avoidable.

Metering: every model call is appended to usage.jsonl with BILLED tokens
(modelUsage -- the visible `usage` turn undercounted by half) and the
CLI's list-price cost. `usage` reports 5h/24h/7d. Each call's cost is
estimated first and refused if it would cross the per-run or rolling 24h
budget, so budgets cannot be overshot. Removed --max-budget-usd: it
aborts after spending and discards the result ($0.26 lost in one call).

Cost, measured on one session ($0.057 -> $0.010, same summary content):
- alwaysThinkingEnabled=false: extended thinking was ~85% of output.
- DISABLE_PROMPT_CACHING=1: one-shot prompts were being written to the
  1h cache at 2x input price.
- CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC=1: a hidden side request
  re-read the whole prompt, doubling billed input (9,638 vs 4,663).

Summaries are cached until their note is written, so a vault failure
never re-pays; --prefetch summarizes while the vault is unreachable.
Offline tests (fake claude binary): budget refusal pre-flight, cache
reuse with zero calls, map-reduce, env/argv levers, billed-token ledger.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KF322NzozeaFjpgWvh4F4g
2026-09-17 16:14:45 -04:00

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# ~/.config/claude-obsidian/config.env (chmod 600; never commit the real one)
# Every key can also be set as an environment variable, which wins.
# Obsidian Local REST API plugin -- the plain-HTTP server (Settings -> Local REST API ->
# Enable HTTP server). Point this at wherever that port is reachable from this machine.
OBSIDIAN_API_URL=http://obsidian.example.internal:27123
OBSIDIAN_API_KEY_FILE=~/.config/claude-obsidian/api-key
# Summarizer. claude-cli = headless `claude -p` on your own Claude plan (no API key needed).
LLM_BACKEND=claude-cli
LLM_MODEL=haiku
# CLAUDE_BIN=claude
# Or any OpenAI-compatible endpoint (LiteLLM, a local model):
# LLM_BACKEND=openai
# LLM_BASE_URL=https://litellm.example/v1
# LLM_MODEL=some-model
# LLM_API_KEY_FILE=~/.config/claude-obsidian/llm-key # or LLM_API_KEY_ENV=LITELLM_KEY
VAULT_FOLDER=Claude
SETTLE_MINUTES=30 # leave sessions alone until they have been idle this long
JOBS=1
MAX_PER_RUN=10 # summaries share your plan's usage limits; the timer drips a backlog
BUDGET_USD_PER_RUN=0.50 # list-price USD, refused pre-flight; see `claude-obsidian-sync usage`
BUDGET_USD_PER_DAY=2.00