Merge commit 'd803bfe2b1fe7f5e219e50ac20d6801a0a58ac75' as 'vendor/ruvector'

vendor/ruvector/crates/ruvector-verified-wasm/src/lib.rs

@@ -0,0 +1,238 @@
+//! WASM bindings for `ruvector-verified`: proof-carrying vector operations in the browser.
+//!
+//! # Quick Start (JavaScript)
+//!
+//! ```js
+//! import init, { JsProofEnv } from "ruvector-verified-wasm";
+//!
+//! await init();
+//! const env = new JsProofEnv();
+//!
+//! // Prove dimension equality (~500ns)
+//! const proofId = env.prove_dim_eq(384, 384);  // Ok -> proof ID
+//!
+//! // Verify a batch of vectors
+//! const vectors = [new Float32Array(384).fill(0.5)];
+//! const result = env.verify_batch(384, vectors);
+//!
+//! // Get statistics
+//! console.log(env.stats());
+//!
+//! // Create attestation (82 bytes)
+//! const att = env.create_attestation(proofId);
+//! console.log(att.bytes.length); // 82
+//! ```
+
+mod utils;
+
+use ruvector_verified::{
+    cache::ConversionCache,
+    fast_arena::FastTermArena,
+    gated::{self, ProofKind, ProofTier},
+    proof_store, vector_types, ProofEnvironment,
+};
+use serde::Serialize;
+use wasm_bindgen::prelude::*;
+
+// ---------------------------------------------------------------------------
+// Module init
+// ---------------------------------------------------------------------------
+
+/// Called automatically when the WASM module is loaded.
+#[wasm_bindgen(start)]
+pub fn init() {
+    utils::set_panic_hook();
+    utils::console_log("ruvector-verified-wasm loaded");
+}
+
+/// Return the crate version.
+#[wasm_bindgen]
+pub fn version() -> String {
+    env!("CARGO_PKG_VERSION").to_string()
+}
+
+// ---------------------------------------------------------------------------
+// JsProofEnv — main entry point
+// ---------------------------------------------------------------------------
+
+/// Proof environment for the browser. Wraps `ProofEnvironment` + ultra caches.
+#[wasm_bindgen]
+pub struct JsProofEnv {
+    env: ProofEnvironment,
+    arena: FastTermArena,
+    cache: ConversionCache,
+}
+
+#[wasm_bindgen]
+impl JsProofEnv {
+    /// Create a new proof environment with all optimizations.
+    #[wasm_bindgen(constructor)]
+    pub fn new() -> Self {
+        Self {
+            env: ProofEnvironment::new(),
+            arena: FastTermArena::with_capacity(4096),
+            cache: ConversionCache::with_capacity(1024),
+        }
+    }
+
+    /// Prove that two dimensions are equal. Returns proof term ID.
+    ///
+    /// Throws if dimensions don't match.
+    pub fn prove_dim_eq(&mut self, expected: u32, actual: u32) -> Result<u32, JsError> {
+        vector_types::prove_dim_eq(&mut self.env, expected, actual)
+            .map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Build a `RuVec n` type term. Returns term ID.
+    pub fn mk_vector_type(&mut self, dim: u32) -> Result<u32, JsError> {
+        vector_types::mk_vector_type(&mut self.env, dim).map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Build a distance metric type term. Supported: "L2", "Cosine", "Dot".
+    pub fn mk_distance_metric(&mut self, metric: &str) -> Result<u32, JsError> {
+        vector_types::mk_distance_metric(&mut self.env, metric)
+            .map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Verify that a single vector has the expected dimension.
+    pub fn verify_dim_check(&mut self, index_dim: u32, vector: &[f32]) -> Result<u32, JsError> {
+        vector_types::verified_dim_check(&mut self.env, index_dim, vector)
+            .map(|op| op.proof_id)
+            .map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Verify a batch of vectors (passed as flat f32 array + dimension).
+    ///
+    /// `flat_vectors` is a contiguous f32 array; each vector is `dim` elements.
+    /// Returns the number of vectors verified.
+    pub fn verify_batch_flat(&mut self, dim: u32, flat_vectors: &[f32]) -> Result<u32, JsError> {
+        let d = dim as usize;
+        if flat_vectors.len() % d != 0 {
+            return Err(JsError::new(&format!(
+                "flat_vectors length {} not divisible by dim {}",
+                flat_vectors.len(),
+                dim
+            )));
+        }
+        let slices: Vec<&[f32]> = flat_vectors.chunks_exact(d).collect();
+        vector_types::verify_batch_dimensions(&mut self.env, dim, &slices)
+            .map(|op| op.value as u32)
+            .map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Intern a hash into the FastTermArena. Returns `[term_id, was_cached]`.
+    pub fn arena_intern(&self, hash_hi: u32, hash_lo: u32) -> Vec<u32> {
+        let hash = (hash_hi as u64) << 32 | hash_lo as u64;
+        let (id, cached) = self.arena.intern(hash);
+        vec![id, if cached { 1 } else { 0 }]
+    }
+
+    /// Route a proof to the cheapest tier. Returns tier name.
+    pub fn route_proof(&self, kind: &str) -> Result<JsValue, JsError> {
+        let proof_kind = match kind {
+            "reflexivity" => ProofKind::Reflexivity,
+            "dimension" => ProofKind::DimensionEquality {
+                expected: 0,
+                actual: 0,
+            },
+            "pipeline" => ProofKind::PipelineComposition { stages: 1 },
+            other => ProofKind::Custom {
+                estimated_complexity: other.parse().unwrap_or(10),
+            },
+        };
+        let decision = gated::route_proof(proof_kind, &self.env);
+        let tier_name = match decision.tier {
+            ProofTier::Reflex => "reflex",
+            ProofTier::Standard { .. } => "standard",
+            ProofTier::Deep => "deep",
+        };
+        let result = JsRoutingResult {
+            tier: tier_name.to_string(),
+            reason: decision.reason.to_string(),
+            estimated_steps: decision.estimated_steps,
+        };
+        serde_wasm_bindgen::to_value(&result).map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Create a proof attestation (82 bytes). Returns serializable object.
+    pub fn create_attestation(&self, proof_id: u32) -> Result<JsValue, JsError> {
+        let att = proof_store::create_attestation(&self.env, proof_id);
+        let bytes = att.to_bytes();
+        let result = JsAttestation {
+            bytes,
+            proof_term_hash: hex_encode(&att.proof_term_hash),
+            environment_hash: hex_encode(&att.environment_hash),
+            verifier_version: format!("{:#010x}", att.verifier_version),
+            reduction_steps: att.reduction_steps,
+            cache_hit_rate_bps: att.cache_hit_rate_bps,
+        };
+        serde_wasm_bindgen::to_value(&result).map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Get verification statistics.
+    pub fn stats(&self) -> Result<JsValue, JsError> {
+        let s = self.env.stats();
+        let arena_stats = self.arena.stats();
+        let cache_stats = self.cache.stats();
+        let result = JsStats {
+            proofs_constructed: s.proofs_constructed,
+            proofs_verified: s.proofs_verified,
+            cache_hits: s.cache_hits,
+            cache_misses: s.cache_misses,
+            total_reductions: s.total_reductions,
+            terms_allocated: self.env.terms_allocated(),
+            arena_hit_rate: arena_stats.cache_hit_rate(),
+            conversion_cache_hit_rate: cache_stats.hit_rate(),
+        };
+        serde_wasm_bindgen::to_value(&result).map_err(|e| JsError::new(&e.to_string()))
+    }
+
+    /// Reset the environment (clears cache, resets counters, re-registers builtins).
+    pub fn reset(&mut self) {
+        self.env.reset();
+        self.arena.reset();
+        self.cache.clear();
+    }
+
+    /// Number of terms currently allocated.
+    pub fn terms_allocated(&self) -> u32 {
+        self.env.terms_allocated()
+    }
+}
+
+// ---------------------------------------------------------------------------
+// JSON result types
+// ---------------------------------------------------------------------------
+
+#[derive(Serialize)]
+struct JsRoutingResult {
+    tier: String,
+    reason: String,
+    estimated_steps: u32,
+}
+
+#[derive(Serialize)]
+struct JsAttestation {
+    bytes: Vec<u8>,
+    proof_term_hash: String,
+    environment_hash: String,
+    verifier_version: String,
+    reduction_steps: u32,
+    cache_hit_rate_bps: u16,
+}
+
+#[derive(Serialize)]
+struct JsStats {
+    proofs_constructed: u64,
+    proofs_verified: u64,
+    cache_hits: u64,
+    cache_misses: u64,
+    total_reductions: u64,
+    terms_allocated: u32,
+    arena_hit_rate: f64,
+    conversion_cache_hit_rate: f64,
+}
+
+fn hex_encode(bytes: &[u8]) -> String {
+    bytes.iter().map(|b| format!("{b:02x}")).collect()
+}

vendor/ruvector/crates/ruvector-verified-wasm/src/utils.rs

@@ -0,0 +1,12 @@
+//! WASM utility helpers.
+
+/// Set panic hook for better panic messages in the browser.
+pub fn set_panic_hook() {
+    // No-op if console_error_panic_hook is not available.
+    // In production, add the crate and feature for better diagnostics.
+}
+
+/// Log a message to the browser console.
+pub fn console_log(msg: &str) {
+    web_sys::console::log_1(&msg.into());
+}