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nisse/nisse-dev.example.yaml
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dongarandClaude Opus 5.5 494715efa9
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Fit every model request to its context window
Every turn re-sent the whole transcript with nothing checking it against
the model's window. On a local model that fails silently: Ollama drops
the start of an over-long prompt, which is where the system prompt and
the plan are. Measured on the Jetson's llama3.2, cut at 4096 tokens with
no error.

- The model catalog reads max_input_tokens and max_output_tokens from
  LiteLLM's model_info, and startup refuses a role on a model with no
  declared window
- BudgetedClient wraps both routes. It fits the canonical events before
  rendering: older tool results cut to head and tail, then the oldest
  turns dropped with a note, keeping calls with their results; a request
  that still cannot fit fails with ContextOverflow and is never sent.
  The output ceiling is the smaller of config and the model's limit
- Tokens are estimated from characters, pessimistically, and the
  estimate is corrected from reported prompt sizes, only ever upward
- The executor takes its scope from the log: the latest plan, which is
  the approved milestone plan, goes in its system prompt, and it sees
  only events after it
- Tool output keeps its head and, mostly, its tail, so a test runner's
  failure summary survives truncation
- tuning.context.keep_recent_turns and safety_margin are new knobs
- scripts/probe_context.py checks a declared window against what the
  server does; it confirmed llama3.2 cuts at the declared 4096
- The tuning guide covers the budget, declaring a local model's limits,
  and the probe

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-09-24 00:26:30 +00:00

61 lines
2.4 KiB
YAML

# Example configuration for nisse-dev. Copy to nisse-dev.yaml (or point
# NISSE_CONFIG at your copy) and edit.
#
# - Structure lives here. Secrets do not: write them as ${VARIABLE} references,
# resolved from the environment (or .env, see .env.example) at startup.
# - Keep this file outside the workspace clone. Startup refuses otherwise,
# because the agent commits and pushes everything in the clone.
# - Unknown keys are errors, so a misspelt knob fails at startup instead of
# silently doing nothing.
state_db: ~/nisse-demo-workspace/state.db
workspace: ~/nisse-demo-workspace/project # the clone
project: demo
llm: # A5: LiteLLM is the only LLM destination
base_url: http://litellm.example:4000
token: ${NISSE_LLM_TOKEN}
# Ceiling on each response. The model's own max_output_tokens in LiteLLM
# caps it further, which is where to hold a local model to less.
max_output_tokens: 16384
roles: # A11: role -> LiteLLM model alias
executor: local-fast
planner: claude-opus-5
delegate: claude-opus-5
consultant: claude-opus-5
matrix: # A1
homeserver: https://matrix.example
user_id: "@nisse-dev:example"
token: ${NISSE_MATRIX_TOKEN}
room_id: "!roomid:example"
operators: ["@you:example"]
gitea: # B2
url: https://gitea.example
token: ${NISSE_GITEA_TOKEN}
repo: owner/demo-repo
operators: [your-gitea-login]
base_branch: main
# What each knob does, and how to choose a value: docs/Tuning-Guide.md.
# These are the defaults; the section can be left out entirely. The file is
# read at startup, so a change takes effect on the next restart.
tuning:
executor:
max_turns: 24 # model calls per milestone before it stops as capped
failure_limit: 2 # consecutive failed commands before escalating (A12)
expert:
consult_budget: 3 # ask_expert calls per milestone (A14)
delegation: # hard caps on one delegation (A13)
max_turns: 30
max_tokens: 200000
wall_clock_s: 900
tools:
command_timeout_s: 120 # one run_command before it is killed
max_output_chars: 4000 # tool output kept for the model, head and tail
context: # fitting each request into the model's window
keep_recent_turns: 6 # turns never cut or dropped
safety_margin: 0.1 # fraction of the window held back