feat: add pure ssh2 remote operations

pi-permission-system/test/handlers/gates/shell-decision-floor.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  applyShellDecisionFloor,
+  SHELL_TOOL_DECISION_FLOOR_PATTERN,
+} from "#src/handlers/gates/shell-decision-floor";
+import type { PermissionCheckResult, PermissionState } from "#src/types";
+
+function check(state: PermissionState, source: PermissionCheckResult["source"] = "bash") {
+  return {
+    state,
+    toolName: "bash",
+    source,
+    origin: source === "session" ? ("session" as const) : ("global" as const),
+    command: "pwd",
+    matchedPattern: source === "session" ? "pwd" : "*",
+  } satisfies PermissionCheckResult;
+}
+
+describe("applyShellDecisionFloor", () => {
+  it("raises allow to ask", () => {
+    expect(applyShellDecisionFloor(check("allow"), "ask")).toEqual({
+      ...check("allow"),
+      state: "ask",
+      source: "bash",
+      matchedPattern: SHELL_TOOL_DECISION_FLOOR_PATTERN,
+      reason: undefined,
+    });
+  });
+
+  it("raises a session allow to ask without retaining the session fast path", () => {
+    const result = applyShellDecisionFloor(check("allow", "session"), "ask");
+    expect(result.state).toBe("ask");
+    expect(result.source).toBe("bash");
+    expect(result.matchedPattern).toBe(SHELL_TOOL_DECISION_FLOOR_PATTERN);
+  });
+
+  it.each(["ask", "deny"] as const)("preserves an existing %s", (state) => {
+    const original = check(state);
+    expect(applyShellDecisionFloor(original, "ask")).toBe(original);
+  });
+
+  it("does nothing when no floor is configured", () => {
+    const original = check("allow");
+    expect(applyShellDecisionFloor(original, undefined)).toBe(original);
+  });
+});