diff --git a/adapters/rust/Cargo.toml b/adapters/rust/Cargo.toml
new file mode 100644
index 0000000..207229b
--- /dev/null
+++ b/adapters/rust/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "lh-standard-adapter"
+version = "1.0.0"
+edition = "2021"
+description = "LongHun Standard Adapter — v∞ DNA traceability + seven-factor behavioral audit for Rust"
+license = "CC-BY-NC-SA-4.0"
+
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+sha2 = "0.10"
+chrono = { version = "0.4", features = ["serde"] }
diff --git a/adapters/rust/src/audit_wrapper.rs b/adapters/rust/src/audit_wrapper.rs
new file mode 100644
index 0000000..3847f90
--- /dev/null
+++ b/adapters/rust/src/audit_wrapper.rs
@@ -0,0 +1,72 @@
+use sha2::{Sha256, Digest};
+use serde_json::Value;
+use chrono::Utc;
+use std::collections::HashMap;
+
+pub fn wrap_audit(uid: &str, payload: &Value, task_type: &str, persona: &str) -> Value {
+    let now = Utc::now();
+    let sig = serde_json::json!({
+        "P":"HasPromise","F":"Fulfilled","T":0.0,"E":"Willing",
+        "C":0,"R":0,"A":"Self","X":"Genuine","Y":"NoResponse","Z":1.0
+    });
+    let pattern = classify(&sig);
+    let labels = make_labels(&sig, pattern);
+    let color = determine_color(pattern, sig["R"].as_i64().unwrap_or(0) as i32);
+    let payload_str = serde_json::to_string(payload).unwrap_or_default();
+    let hash = Sha256::digest(payload_str.as_bytes());
+    let ph = format!("{:x}", hash);
+
+    serde_json::json!({
+        "audit_version":"v1.0",
+        "uid":format!("UID{}", uid),
+        "persona":persona,
+        "task_type":task_type,
+        "behavior_signature":sig,
+        "behavior_pattern":pattern,
+        "behavior_labels":labels,
+        "color":color,
+        "timestamp":now.to_rfc3339(),
+        "payload_hash":&ph[..16]
+    })
+}
+
+fn classify(sig: &Value) -> &'static str {
+    let f = sig["F"].as_str().unwrap_or("");
+    let x = sig["X"].as_str().unwrap_or("");
+    let a = sig["A"].as_str().unwrap_or("");
+    let y = sig["Y"].as_str().unwrap_or("");
+    let z = sig["Z"].as_f64().unwrap_or(0.0);
+    if f == "Unfulfilled" && x == "OverExplain" { return "MODE-DefensiveDefaulter" }
+    if f == "Fulfilled" && a == "Outsider" { return "MODE-ExternalTrustSpender" }
+    if f == "Unfulfilled" && y == "Indifferent" { return "MODE-InternalDestroyer" }
+    if z > 2.0 { return "MODE-Fluctuating" }
+    "MODE-StableDisciplined"
+}
+
+fn make_labels(sig: &Value, pattern: &str) -> Vec<String> {
+    let label_map: HashMap<&str, HashMap<&str, &str>> = HashMap::from([
+        ("P", HashMap::from([("HasPromise","7F-P-有承诺"),("NoPromise","7F-P-无承诺")])),
+        ("F", HashMap::from([("Fulfilled","7F-F-已兑现"),("Unfulfilled","7F-F-未兑现"),("Partial","7F-F-部分兑现")])),
+        ("E", HashMap::from([("Willing","7F-E-心甘情愿"),("Perfunctory","7F-E-敷衍"),("Resentful","7F-E-怨恨"),("Numb","7F-E-麻木")])),
+        ("A", HashMap::from([("Self","7F-A-自己"),("Partner","7F-A-伴侣"),("Family","7F-A-家庭"),("Outsider","7F-A-外人"),("Public","7F-A-公众")])),
+        ("X", HashMap::from([("OverExplain","7F-X-过度解释"),("Silent","7F-X-沉默"),("Genuine","7F-X-真诚"),("Indifferent","7F-X-冷漠")])),
+        ("Y", HashMap::from([("Changed","7F-Y-改正"),("Resisted","7F-Y-抗拒"),("Indifferent","7F-Y-无视"),("NoResponse","7F-Y-无响应")])),
+    ]);
+    let mut labels = Vec::new();
+    for factor in &["P","F","E","A","X","Y"] {
+        if let Some(val) = sig[factor].as_str() {
+            if let Some(fm) = label_map.get(factor) {
+                if let Some(lb) = fm.get(val) { labels.push(lb.to_string()) }
+            }
+        }
+    }
+    labels.push(pattern.to_string());
+    labels
+}
+
+fn determine_color(pattern: &str, repeat: i32) -> &'static str {
+    if pattern == "MODE-InternalDestroyer" { return "🔴" }
+    if pattern == "MODE-Fluctuating" && repeat > 3 { return "🟡" }
+    if pattern == "MODE-DefensiveDefaulter" && repeat > 2 { return "🟡" }
+    "🟢"
+}
diff --git a/adapters/rust/src/dna_generator.rs b/adapters/rust/src/dna_generator.rs
new file mode 100644
index 0000000..83804c1
--- /dev/null
+++ b/adapters/rust/src/dna_generator.rs
@@ -0,0 +1,65 @@
+use chrono::{DateTime, Utc, Timelike, Datelike};
+use sha2::{Sha256, Digest};
+use std::collections::HashMap;
+
+const TIAN_GAN: [&str; 10] = ["Jia","Yi","Bing","Ding","Wu","Ji","Geng","Xin","Ren","Gui"];
+const DI_ZHI: [&str; 12] = ["Zi","Chou","Yin","Mao","Chen","Si","Wu","Wei","Shen","You","Xu","Hai"];
+const SHI_CHEN: [&str; 12] = ["ZiShi","ChouShi","YinShi","MaoShi","ChenShi","SiShi","WuShi","WeiShi","ShenShi","YouShi","XuShi","HaiShi"];
+
+pub fn generate_dna(uid: &str, device: &str, task_type: &str, action: &str, version: &str) -> String {
+    let now = Utc::now();
+    let stem = compute_stem_branch(now);
+    let hexagram = select_hexagram(task_type);
+    let version = if version.is_empty() { "V1.0" } else { version };
+    let body = format!("ADAPTER-{}-{}-{}", task_type.to_uppercase(), action.to_uppercase(), version);
+    let raw = format!("{}{}{}{}{}{}{}{}{}", stem.year, stem.month, stem.day, stem.shichen, hexagram.0, hexagram.1, body, device, now.to_rfc3339());
+    let hash = Sha256::digest(raw.as_bytes());
+    let hash8 = format!("{:x}", hash);
+    format!("#LongHun⚡️{}·{}·{}·{}·{}{}-{}-{}", stem.year, stem.month, stem.day, stem.shichen, hexagram.0, hexagram.1, body, &hash8[..8])
+}
+
+struct StemBranch { year: String, month: String, day: String, shichen: String }
+
+fn compute_stem_branch(dt: DateTime<Utc>) -> StemBranch {
+    let cycle_year: i32 = 1984;
+    let cycle_month: [i32; 12] = [2,4,6,8,10,0,2,4,6,8,10,0];
+    let y = dt.year(); let m = dt.month() as i32; let doy = dt.ordinal() as i32; let h = dt.hour() as i32;
+
+    let ys = ((y - cycle_year) % 10 + 10) % 10;
+    let yb = ((y - cycle_year) % 12 + 12) % 12;
+
+    let mb = cycle_month[((y - cycle_year) % 10 + 10) as usize % 10];
+    let ms = ((mb + m - 1) % 10 + 10) % 10;
+    let mbr = ((m + 1) % 12 + 12) % 12;
+
+    let ds = ((y - 1900 + (y - 1900) / 4 + doy) % 10 + 10) % 10;
+    let db = ((y - 1900 + (y - 1900) / 4 + doy) % 12 + 12) % 12;
+
+    let si = (h / 2) as usize;
+
+    StemBranch {
+        year: format!("{}{}", TIAN_GAN[ys as usize], DI_ZHI[yb as usize]),
+        month: format!("{}{}", TIAN_GAN[ms as usize], DI_ZHI[mbr as usize]),
+        day: format!("{}{}", TIAN_GAN[ds as usize], DI_ZHI[db as usize]),
+        shichen: SHI_CHEN[si].to_string(),
+    }
+}
+
+fn select_hexagram(task_type: &str) -> (&'static str, &'static str) {
+    let domain = match task_type {
+        "code" => "engine", "deploy" => "deploy", "audit" => "audit",
+        "security" => "security", "archive" => "archive", "init" => "init",
+        "learn" => "learn", "legal" => "legal", "privacy" => "privacy",
+        "trust" => "trust", "complete" => "complete", "progress" => "progress",
+        _ => "governance",
+    };
+    let hexagrams: [(&str,&str,&str); 14] = [
+        ("䷀","Qian","governance"),("䷁","Kun","archive"),("䷂","Zhun","init"),
+        ("䷃","Meng","learn"),("䷄","Xu","async"),("䷅","Song","legal"),
+        ("䷜","Kan","engine"),("䷝","Li","audit"),("䷲","Zhen","security"),
+        ("䷳","Gen","privacy"),("䷸","Xun","deploy"),("䷹","Dui","trust"),
+        ("䷾","JiJi","complete"),("䷿","WeiJi","progress"),
+    ];
+    for h in hexagrams.iter() { if h.2 == domain { return (h.0, h.1) } }
+    (hexagrams[0].0, hexagrams[0].1)
+}
diff --git a/adapters/rust/src/lib.rs b/adapters/rust/src/lib.rs
new file mode 100644
index 0000000..8df07bf
--- /dev/null
+++ b/adapters/rust/src/lib.rs
@@ -0,0 +1,49 @@
+pub mod dna_generator;
+pub mod audit_wrapper;
+pub mod validator;
+
+use serde_json::Value;
+use chrono::Utc;
+
+pub struct LongHunAdapter {
+    pub uid: String,
+    pub device: String,
+    pub locale: String,
+}
+
+impl LongHunAdapter {
+    pub fn new(uid: &str, device: &str, locale: &str) -> Self {
+        LongHunAdapter {
+            uid: if uid.is_empty() { "9622".into() } else { uid.into() },
+            device: if device.is_empty() { "HM-9622-001".into() } else { device.into() },
+            locale: if locale.is_empty() { "Asia/Shanghai".into() } else { locale.into() },
+        }
+    }
+
+    pub fn wrap(&self, data: Value, task_type: &str, persona: &str, action: &str, version: &str) -> Value {
+        let task_type = if task_type.is_empty() { "default" } else { task_type };
+        let persona = if persona.is_empty() { "P04" } else { persona };
+        let action = if action.is_empty() { "WRAP" } else { action };
+        let version = if version.is_empty() { "V1.0" } else { version };
+        let dna = dna_generator::generate_dna(&self.uid, &self.device, task_type, action, version);
+        let audit = audit_wrapper::wrap_audit(&self.uid, &data, task_type, persona);
+        serde_json::json!({
+            "dna":dna,"audit":audit,"payload":data,"meta":{
+                "adapter_version":"1.0.0","uid":self.uid,"device":self.device,
+                "task_type":task_type,"persona":persona,
+                "generated_at":Utc::now().to_rfc3339(),"format":"longhun-v∞"
+            }
+        })
+    }
+
+    pub fn validate(&self, wrapped: &Value) -> Value {
+        let mut v = validator::Validator::new();
+        v.validate(wrapped)
+    }
+
+    pub fn get_schemas(&self) -> (Value, Value) {
+        let dna = serde_json::json!({"type":"string","description":"v∞ DNA traceability code"});
+        let audit = serde_json::json!({"type":"object","required":["audit_version","uid","behavior_signature","behavior_pattern","behavior_labels","color"]});
+        (dna, audit)
+    }
+}
diff --git a/adapters/rust/src/validator.rs b/adapters/rust/src/validator.rs
new file mode 100644
index 0000000..8d249e7
--- /dev/null
+++ b/adapters/rust/src/validator.rs
@@ -0,0 +1,66 @@
+use regex::Regex;
+use serde_json::Value;
+
+pub struct Validator { pub errors: Vec<String>, pub warnings: Vec<String> }
+
+impl Validator {
+    pub fn new() -> Self { Validator { errors: vec![], warnings: vec![] } }
+
+    pub fn validate(&mut self, wrapped: &Value) -> serde_json::Value {
+        self.errors.clear(); self.warnings.clear();
+        if !wrapped.is_object() {
+            self.errors.push("Not an object".into());
+            return self.result();
+        }
+        let dna_regex = Regex::new(r"^#LongHun⚡️([A-Z][a-zA-Z]+)·([A-Z][a-zA-Z]+)·([A-Z][a-zA-Z]+)·([A-Z][a-zA-Z]+)·([\u{4DC0}-\u{4DFF}][A-Za-z]+)-(.+)-([a-f0-9]{8})$").unwrap();
+
+        let required_top = ["dna","audit","payload","meta"];
+        for k in &required_top { if wrapped.get(k).is_none() { self.errors.push(format!("Missing top key: {}", k)) } }
+
+        if let Some(dna) = wrapped["dna"].as_str() {
+            if dna.is_empty() { self.errors.push("DNA empty".into()) }
+            else if !dna_regex.is_match(dna) { self.errors.push(format!("DNA regex fail: {}", &dna[..dna.len().min(60)])) }
+        } else { self.errors.push("DNA missing".into()) }
+
+        if let Some(audit) = wrapped["audit"].as_object() {
+            let required_audit = ["audit_version","uid","behavior_signature","behavior_pattern","behavior_labels","color"];
+            for k in &required_audit { if audit.get(*k).is_none() { self.errors.push(format!("Missing audit key: {}", k)) } }
+            if let Some(sig) = audit["behavior_signature"].as_object() {
+                let req_sig = ["P","F","T","E","C","R","A","X","Y","Z"];
+                for k in &req_sig { if sig.get(*k).is_none() { self.errors.push(format!("Missing sig key: {}", k)) } }
+                self.validate_sig_values(sig);
+            } else { self.errors.push("sig not object".into()) }
+
+            if let Some(p) = audit["behavior_pattern"].as_str() {
+                let valid = ["MODE-DefensiveDefaulter","MODE-ExternalTrustSpender","MODE-InternalDestroyer","MODE-Fluctuating","MODE-StableDisciplined"];
+                if !valid.contains(&p) { self.warnings.push(format!("Unknown pattern: {}", p)) }
+            }
+        } else { self.errors.push("Audit not object".into()) }
+
+        self.result()
+    }
+
+    fn validate_sig_values(&mut self, sig: &serde_json::Map<String, Value>) {
+        let valid_p: Vec<&str> = vec!["HasPromise","NoPromise"];
+        let valid_f: Vec<&str> = vec!["Fulfilled","Unfulfilled","Partial"];
+        let valid_e: Vec<&str> = vec!["Willing","Perfunctory","Resentful","Numb"];
+        let valid_a: Vec<&str> = vec!["Self","Partner","Family","Outsider","Public"];
+        let valid_x: Vec<&str> = vec!["OverExplain","Silent","Genuine","Indifferent"];
+        let valid_y: Vec<&str> = vec!["Changed","Resisted","Indifferent","NoResponse"];
+
+        if let Some(v) = sig.get("P").and_then(|x| x.as_str()) { if !valid_p.contains(&v) { self.warnings.push(format!("Invalid P: {}", v)) } }
+        if let Some(v) = sig.get("F").and_then(|x| x.as_str()) { if !valid_f.contains(&v) { self.warnings.push(format!("Invalid F: {}", v)) } }
+        if let Some(v) = sig.get("E").and_then(|x| x.as_str()) { if !valid_e.contains(&v) { self.warnings.push(format!("Invalid E: {}", v)) } }
+        if let Some(v) = sig.get("A").and_then(|x| x.as_str()) { if !valid_a.contains(&v) { self.warnings.push(format!("Invalid A: {}", v)) } }
+        if let Some(v) = sig.get("X").and_then(|x| x.as_str()) { if !valid_x.contains(&v) { self.warnings.push(format!("Invalid X: {}", v)) } }
+        if let Some(v) = sig.get("Y").and_then(|x| x.as_str()) { if !valid_y.contains(&v) { self.warnings.push(format!("Invalid Y: {}", v)) } }
+    }
+
+    fn result(&self) -> serde_json::Value {
+        let valid = self.errors.is_empty();
+        serde_json::json!({
+            "valid":valid,"errors":self.errors,"warnings":self.warnings,
+            "summary":if valid { format!("✅ VALID") } else { format!("❌ INVALID") }
+        })
+    }
+}
diff --git a/adapters/rust/tests/tests.rs b/adapters/rust/tests/tests.rs
new file mode 100644
index 0000000..cc0481a
--- /dev/null
+++ b/adapters/rust/tests/tests.rs
@@ -0,0 +1,66 @@
+use lh_standard_adapter::LongHunAdapter;
+use serde_json::json;
+
+#[test]
+fn test_dna_generation() {
+    let adapter = LongHunAdapter::new("9622","HM-9622-001","");
+    let wrapped = adapter.wrap(json!({"test":1}), "code", "P04", "WRAP", "");
+    let dna = wrapped["dna"].as_str().unwrap();
+    assert!(dna.starts_with("#LongHun⚡️"));
+    assert!(dna.len() > 40);
+}
+
+#[test]
+fn test_audit_wrap() {
+    let adapter = LongHunAdapter::new("9622","HM-9622-001","");
+    let wrapped = adapter.wrap(json!({"x":1}), "", "", "", "");
+    let audit = &wrapped["audit"];
+    assert_eq!(audit["audit_version"], "v1.0");
+    assert_eq!(audit["uid"], "UID9622");
+}
+
+#[test]
+fn test_validate_own_wrap() {
+    let adapter = LongHunAdapter::new("9622","HM-9622-001","");
+    let wrapped = adapter.wrap(json!({}), "", "", "", "");
+    let result = adapter.validate(&wrapped);
+    assert_eq!(result["valid"], true);
+}
+
+#[test]
+fn test_invalid_null() {
+    let adapter = LongHunAdapter::new("","","");
+    let result = adapter.validate(&json!(null));
+    assert_eq!(result["valid"], false);
+}
+
+#[test]
+fn test_missing_dna() {
+    let adapter = LongHunAdapter::new("","","");
+    let result = adapter.validate(&json!({"audit":{},"payload":{},"meta":{}}));
+    assert_eq!(result["valid"], false);
+}
+
+#[test]
+fn test_preserves_payload() {
+    let adapter = LongHunAdapter::new("","","");
+    let data = json!({"code":"print('hello')"});
+    let wrapped = adapter.wrap(data.clone(), "", "", "", "");
+    assert_eq!(wrapped["payload"], data);
+}
+
+#[test]
+fn test_get_schemas() {
+    let adapter = LongHunAdapter::new("","","");
+    let (dna, audit) = adapter.get_schemas();
+    assert!(dna.is_object());
+    assert!(audit.is_object());
+}
+
+#[test]
+fn test_uid_consistency() {
+    let adapter = LongHunAdapter::new("8888","","");
+    let wrapped = adapter.wrap(json!({}), "", "", "", "");
+    assert_eq!(wrapped["meta"]["uid"], "8888");
+    assert_eq!(wrapped["audit"]["uid"], "UID8888");
+}