Lattice 1/4: projection framework (dormant, flag-gated)#4081
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Fragment/Node/Capability/AccessPath dataclasses, merge_fragments (by identity, ranked access paths), resolve_read/resolve_control + control_candidates (best available path, clamp, fallback), and the inverter_fragment producer builder. Zero PredBat/HA deps — fully unit-tested standalone. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ute/apply) PROJECTION_TABLE maps a curated (capability, scope) onto predbat.* entities; LatticeProjection discovers producers data-drivenly, merges their fragments, and resolves reads/writes — would_handle() gates the live path and apply() executes with provider fallback. Flag-gated, no live wiring yet. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…itch LatticeComponent (registered in COMPONENT_LIST, phase 2) refreshes the merged graph and logs the site topology when lattice_projection_enable is on; a no-op when off (default). Adds the lattice_projection_enable config switch. Strictly additive — nothing changes until enabled. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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First of a 4-PR merge train adding the Lattice device-control projection layer. Pure framework — additive, OFF by default (
lattice_projection_enable), touches no live control path.Commits (story):
lattice.py)LatticeProjection(lattice_projection.py)LatticeComponent+ registration + enable switchEach integration can publish a topology fragment; the projection merges them by identity and resolves a curated
(capability, scope)onto existingpredbat.*entities with provider fallback. Nothing is wired to control yet.Tests: 40 standalone unit tests —
python -m pytest apps/predbat/test_lattice.py.Train: PR1 (this) → 2 producers → 3 hot-path → 4 brand adapters.
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