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---
name: symbolic_observation_adapter
description: Parse NLE-style symbolic terminal observations into validated feature records for lightweight recovery experiments.
---
# Symbolic Observation Adapter
## When To Use
Use this skill when reconstructing or testing the NetHack Learning Environment paper mechanisms in a bounded recovery setting. It is appropriate for symbolic NLE-style observations, task/action contracts, exploration bonuses, trainable baseline proxies, or validation harnesses depending on the module name.
## Inputs
- JSON-compatible records produced by upstream NLE recovery modules.
- Tiny deterministic fixtures for smoke tests or reduced recovery.
- Paper-derived target metadata when the module contributes to recovery evidence.
## Outputs
- Compact Python dictionaries or scalar values that can be serialized into Distiller recovery logs.
- Explicit errors for malformed input instead of silent fallback behavior.
## Workflow
1. Confirm the input contract before computing downstream values.
2. Preserve the paper mechanism named in the module document rather than copying repository layout.
3. Use the script in `scripts/` for deterministic behavior and record outputs in recovery logs.
4. During recovery, do not read the original NLE repository; rely on paper/module/skill artifacts only.
## Validation
Run `python -m pytest tests` from this skill directory, or validate through the Distiller `validate_skill_tree.py --run-tests` command. The tests use only the Python standard library and deterministic fixtures.
## Limitations
This skill supports reduced/proxy recovery. It does not claim to reproduce full distributed IMPALA training or a compiled NetHack simulator by itself.
