Adding a Backend

use thrindex_backend_api::{Backend, Capability, DelayFallback, Precision};
use thrindex_backend_api::error::BackendError;

pub struct MyChipBackend {
    // driver handle, config, etc.
}

impl Backend for MyChipBackend {
    fn capability(&self) -> Capability {
        Capability {
            name: "mychip",
            native_dt_ms: 1.0,
            native_delay_max_steps: 31,
            delay_fallback: DelayFallback::Emulate,
            precision: Precision::Fixed8,
        }
    }

    fn run_batch(
        &self,
        artifact_json: &str,
        inputs: &[Vec<Vec<f32>>],   // [sample, T, n_in]
    ) -> Result<Vec<Vec<Vec<f32>>>, BackendError> {
        // Load artifact, run inference on chip, return [sample, T, n_out]
        todo!()
    }
}

import thrindex as thx
from my_backend import MyChipBackend

thx.register_target(
    name="mychip",
    capability=MyChipBackend().capability(),
    backend_cls=MyChipBackend,
)

# Now you can compile for this target
thx.compile(model, "model.thx", target="mychip")

thrindex bench --conformance --target mychip \
    --artifact conformance/fixtures/model.thx \
    --fixtures conformance/fixtures/shd_ratify_v1/frozen/

═══════════════════════════════════════════════════════════════
 THRINDEX Conformance Report  ·  target: mychip
 envelope:  v0  [Final]
═══════════════════════════════════════════════════════════════
 fixture_count:   120
 T_mean:          0.004  ≤ 0.020  PASS
 T_max (p99):     0.080  ≤ 0.130  PASS
 P_pred:          0.975  ≥ 0.900  PASS
─────────────────────────────────────────────────────────────
 PASS — THRINDEX Certified [v0]
═══════════════════════════════════════════════════════════════