AI協調開発研究ドキュメントの完成と Phase 10.9-β 進捗

【AI協調開発研究】
- AI二重化モデルの学術論文draft完成（workshop_paper_draft.md）
- 「隠れた危機」分析とbirthの原則哲学化
- TyEnv「唯一の真実」協調会話を保存・研究資料に統合
- papers管理構造の整備（wip/under-review/published分離）

【Phase 10.9-β HostCall進捗】
- JitConfigBox: relax_numeric フラグ追加（i64→f64コアーション制御）
- HostcallRegistryBox: 署名検証・白黒リスト・コアーション対応
- JitHostcallRegistryBox: Nyash側レジストリ操作API
- Lower統合: env直読 → jit::config::current() 参照に統一
- 数値緩和設定: NYASH_JIT_HOSTCALL_RELAX_NUMERIC/Config.set_flag

【検証サンプル拡充】
- math.sin/cos/abs/min/max 関数スタイル（examples/jit_math_function_style_*.nyash）
- 境界ケース: 署名不一致・コアーション許可・mutating拒否サンプル
- E2E実証: String.length→allow, Array.push→fallback, math関数の署名一致観測

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

examples/jit_hostcall_array_append.nyash

@@ -0,0 +1,12 @@
+// Fallback case: Array.append/push is mutating; with read-only policy it should fallback
+// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_array_append.nyash
+
+static box Main {
+  main() {
+    local xs
+    xs = new ArrayBox()
+    xs.push(1)
+    return xs.length() // expect 1 in VM; under JIT read-only policy push is denied → still 1 via VM path
+  }
+}
+

examples/jit_hostcall_array_push_mutating.nyash

@@ -0,0 +1,18 @@
+// Array push - mutating operation
+// Expect: decision="fallback", reason="policy_denied_mutating"
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 NYASH_JIT_HOSTCALL=1 \
+//     ./target/release/nyash --backend vm examples/jit_hostcall_array_push_mutating.nyash
+
+static box Main {
+  main() {
+    local a, x
+    a = new ArrayBox()
+    x = "item1"
+    
+    // Mutating operation - should fallback with policy_denied_mutating
+    a.push(x)
+    
+    return a.length()  // ReadOnly - should allow
+  }
+}

examples/jit_hostcall_len_string.nyash

@@ -0,0 +1,11 @@
+// Success case: String.length() via JIT hostcall (read-only)
+// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_len_string.nyash
+
+static box Main {
+  main() {
+    local s
+    s = "abc"
+    return s.length()
+  }
+}
+

examples/jit_hostcall_map_get_handle.nyash

@@ -0,0 +1,18 @@
+// Map get with handle arguments
+// Expect: decision="allow", arg_types=["Handle","Handle"]
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 NYASH_JIT_HOSTCALL=1 \
+//     ./target/release/nyash --backend vm examples/jit_hostcall_map_get_handle.nyash
+
+static box Main {
+  main() {
+    local m, k, v
+    m = new MapBox()
+    k = "key1"
+    v = "value1"
+    m.set(k, v)  // This will fallback (mutating)
+    
+    // ReadOnly operation - should allow
+    return m.get(k)
+  }
+}

examples/jit_hostcall_math_sin_allow_float.nyash

@@ -0,0 +1,16 @@
+// Allow case: math.sin expects f64; JIT records sig_ok (allow) and VM executes (thin bridge)
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_allow_float.nyash
+
+static box Main {
+  main() {
+    local m, x
+    m = new MathBox()
+    // pi/2 in double precision
+    x = 1.5707963267948966
+    // Registry signature matches (f64 -> f64), event: {decision: "allow", reason: "sig_ok"}
+    return m.sin(x)
+  }
+}
+

examples/jit_hostcall_math_sin_allow_int_coerce.nyash

@@ -0,0 +1,15 @@
+// Allow via coercion: math.sin expects f64; integer arg coerces i64->f64 in signature check
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_allow_int_coerce.nyash
+
+static box Main {
+  main() {
+    local m, x
+    m = new MathBox()
+    x = 0
+    // Registry signature allows i64 -> f64 coercion (v0 policy)
+    return m.sin(x)
+  }
+}
+

examples/jit_hostcall_math_sin_mismatch.nyash

@@ -0,0 +1,13 @@
+// Boundary case: math.sin expects f64; v0 emits sig_mismatch fallback event
+// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_EVENTS=1 ./target/release/nyash --backend vm examples/jit_hostcall_math_sin_mismatch.nyash
+
+static box Main {
+  main() {
+    local m, x
+    m = new MathBox()
+    x = 0
+    // Int arg; v0 JIT records sig_mismatch and VM executes
+    return m.sin(x)
+  }
+}
+

examples/jit_math_function_style_abs_float.nyash

@@ -0,0 +1,11 @@
+// Function-style math: abs(x)
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_abs_float.nyash
+
+static box Main {
+  main() {
+    return abs(-3.25)
+  }
+}
+

examples/jit_math_function_style_cos_float.nyash

@@ -0,0 +1,11 @@
+// Function-style math: cos(x)
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_cos_float.nyash
+
+static box Main {
+  main() {
+    return cos(0.0)
+  }
+}
+

examples/jit_math_function_style_max_float.nyash

@@ -0,0 +1,11 @@
+// Function-style math: max(a,b)
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_max_float.nyash
+
+static box Main {
+  main() {
+    return max(2.5, 7.0)
+  }
+}
+

examples/jit_math_function_style_min_float.nyash

@@ -0,0 +1,11 @@
+// Function-style math: min(a,b)
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_min_float.nyash
+
+static box Main {
+  main() {
+    return min(2.5, 7.0)
+  }
+}
+

examples/jit_math_function_style_sin_float.nyash

@@ -0,0 +1,12 @@
+// Function-style math: sin(x) should normalize to MathBox.sin(x)
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_math_function_style_sin_float.nyash
+
+static box Main {
+  main() {
+    // Expect allow(sig_ok) with native f64 enabled
+    return sin(1.5707963267948966)
+  }
+}
+

examples/jit_math_min_relax_numeric.nyash

@@ -0,0 +1,12 @@
+// Math min with mixed int/float arguments requiring coercion
+// Expect: decision="allow(coerce_f64)", arg_types=["I64","F64"]
+// Run:
+//   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 NYASH_JIT_RELAX_NUMERIC=1 NYASH_JIT_EVENTS=1 \
+//     ./target/release/nyash --backend vm examples/jit_math_min_relax_numeric.nyash
+
+static box Main {
+  main() {
+    // Mixed i64 and f64 arguments
+    return min(3, 1.5)  // 3 is i64, 1.5 is f64
+  }
+}