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Okyanus/pomona-water-irrigation-risk-reasoner-v0.1.8-MLX

sourceHugging Faceapache-2.0updated 3mo agoView on Hugging Face
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Model Card

Pomona Water/Irrigation Risk Reasoner v0.1.8 MLX

This repository contains the accepted 8-bit MLX deployment build of Okyanus/pomona-water-irrigation-risk-reasoner-v0.1.8-lora for Apple Silicon.

This is a deployment conversion, not a separately trained model. The LoRA repository remains the canonical training artifact.

Intended Use

The model performs narrow, structured moisture and irrigation-risk triage. It returns JSON containing risk labels, missing and suspect sensor fields, safe manual checks, blocked action classes, a human-review flag, and rationale.

Local Evaluation

The 8-bit MLX build passed the frozen independent 168-case deployment holdout.

MetricResult
Valid JSON1.0000
Required fields present1.0000
Allowed labels1.0000
Allowed blocked actions1.0000
Label F11.0000
Blocked-action F11.0000
Human-review match1.0000
Evaluation time80.47 seconds

The separately tested 4-bit MLX conversion was rejected because label F1 fell to 0.7262 and human-review match to 0.5536. That rejected build is not included in this repository.

The holdout is synthetic/rule-derived and verifies the task contract. It is not field validation or evidence for autonomous irrigation control.

Run on Apple Silicon

bash
python3 -m venv .venv
source .venv/bin/activate
pip install mlx-lm

mlx_lm.server \
  --model Okyanus/pomona-water-irrigation-risk-reasoner-v0.1.8-MLX \
  --port 8083

The local MLX server exposes an OpenAI-compatible chat endpoint. It is a development server and is not recommended as a hardened public service.

For the exact structured prompt, output validator, and guarded API integration, see the Pomona repository.

Safety

This model is advisory only.

  • —Never connect it directly to pumps, valves, dosing equipment, or schedules.
  • —Validate every response against the allowed schema and labels.
  • —Require human review for non-empty risk labels.
  • —Keep deterministic checks and the Pomona safety checker as final authority.
  • —Verify thresholds, units, and sensor quality for the local farm.

Lineage

text
Qwen/Qwen2.5-0.5B-Instruct
  -> Pomona Water/Irrigation Risk Reasoner v0.1.8 LoRA
    -> merged model
      -> this accepted 8-bit MLX deployment build

Related artifacts:

Limitations

  • —Narrow schema-bound classifier, not a general agricultural assistant.
  • —Evaluation data is compact and rule-derived.
  • —No field-trial, causal, yield, or equipment-safety validation is claimed.
  • —Runtime and prompt changes can alter behavior and require reevaluation.

License

Apache-2.0. See LICENSE.