diff --git a/src/channels/channel-config.test.ts b/src/channels/channel-config.test.ts
index 5fa81b0b955..317759052c1 100644
--- a/src/channels/channel-config.test.ts
+++ b/src/channels/channel-config.test.ts
@@ -42,44 +42,44 @@ describe("resolveChannelEntryMatch", () => {
 });
 
 describe("resolveChannelEntryMatchWithFallback", () => {
-  it("prefers direct matches over parent and wildcard", () => {
-    const entries = { a: { allow: true }, parent: { allow: false }, "*": { allow: false } };
-    const match = resolveChannelEntryMatchWithFallback({
-      entries,
-      keys: ["a"],
-      parentKeys: ["parent"],
-      wildcardKey: "*",
-    });
-    expect(match.entry).toBe(entries.a);
-    expect(match.matchSource).toBe("direct");
-    expect(match.matchKey).toBe("a");
-  });
+  const fallbackCases = [
+    {
+      name: "prefers direct matches over parent and wildcard",
+      entries: { a: { allow: true }, parent: { allow: false }, "*": { allow: false } },
+      args: { keys: ["a"], parentKeys: ["parent"], wildcardKey: "*" },
+      expectedEntryKey: "a",
+      expectedSource: "direct",
+      expectedMatchKey: "a",
+    },
+    {
+      name: "falls back to parent when direct misses",
+      entries: { parent: { allow: false }, "*": { allow: true } },
+      args: { keys: ["missing"], parentKeys: ["parent"], wildcardKey: "*" },
+      expectedEntryKey: "parent",
+      expectedSource: "parent",
+      expectedMatchKey: "parent",
+    },
+    {
+      name: "falls back to wildcard when no direct or parent match",
+      entries: { "*": { allow: true } },
+      args: { keys: ["missing"], parentKeys: ["still-missing"], wildcardKey: "*" },
+      expectedEntryKey: "*",
+      expectedSource: "wildcard",
+      expectedMatchKey: "*",
+    },
+  ] as const;
 
-  it("falls back to parent when direct misses", () => {
-    const entries = { parent: { allow: false }, "*": { allow: true } };
-    const match = resolveChannelEntryMatchWithFallback({
-      entries,
-      keys: ["missing"],
-      parentKeys: ["parent"],
-      wildcardKey: "*",
+  for (const testCase of fallbackCases) {
+    it(testCase.name, () => {
+      const match = resolveChannelEntryMatchWithFallback({
+        entries: testCase.entries,
+        ...testCase.args,
+      });
+      expect(match.entry).toBe(testCase.entries[testCase.expectedEntryKey]);
+      expect(match.matchSource).toBe(testCase.expectedSource);
+      expect(match.matchKey).toBe(testCase.expectedMatchKey);
     });
-    expect(match.entry).toBe(entries.parent);
-    expect(match.matchSource).toBe("parent");
-    expect(match.matchKey).toBe("parent");
-  });
-
-  it("falls back to wildcard when no direct or parent match", () => {
-    const entries = { "*": { allow: true } };
-    const match = resolveChannelEntryMatchWithFallback({
-      entries,
-      keys: ["missing"],
-      parentKeys: ["still-missing"],
-      wildcardKey: "*",
-    });
-    expect(match.entry).toBe(entries["*"]);
-    expect(match.matchSource).toBe("wildcard");
-    expect(match.matchKey).toBe("*");
-  });
+  }
 
   it("matches normalized keys when normalizeKey is provided", () => {
     const entries = { "My Team": { allow: true } };
@@ -153,44 +153,52 @@ describe("validateSenderIdentity", () => {
 });
 
 describe("resolveNestedAllowlistDecision", () => {
-  it("allows when outer allowlist is disabled", () => {
-    expect(
-      resolveNestedAllowlistDecision({
+  const cases = [
+    {
+      name: "allows when outer allowlist is disabled",
+      value: {
         outerConfigured: false,
         outerMatched: false,
         innerConfigured: false,
         innerMatched: false,
-      }),
-    ).toBe(true);
-  });
-
-  it("blocks when outer allowlist is configured but missing match", () => {
-    expect(
-      resolveNestedAllowlistDecision({
+      },
+      expected: true,
+    },
+    {
+      name: "blocks when outer allowlist is configured but missing match",
+      value: {
         outerConfigured: true,
         outerMatched: false,
         innerConfigured: false,
         innerMatched: false,
-      }),
-    ).toBe(false);
-  });
-
-  it("requires inner match when inner allowlist is configured", () => {
-    expect(
-      resolveNestedAllowlistDecision({
+      },
+      expected: false,
+    },
+    {
+      name: "requires inner match when inner allowlist is configured",
+      value: {
         outerConfigured: true,
         outerMatched: true,
         innerConfigured: true,
         innerMatched: false,
-      }),
-    ).toBe(false);
-    expect(
-      resolveNestedAllowlistDecision({
+      },
+      expected: false,
+    },
+    {
+      name: "allows when both outer and inner allowlists match",
+      value: {
         outerConfigured: true,
         outerMatched: true,
         innerConfigured: true,
         innerMatched: true,
-      }),
-    ).toBe(true);
-  });
+      },
+      expected: true,
+    },
+  ] as const;
+
+  for (const testCase of cases) {
+    it(testCase.name, () => {
+      expect(resolveNestedAllowlistDecision(testCase.value)).toBe(testCase.expected);
+    });
+  }
 });
diff --git a/src/utils/reaction-level.test.ts b/src/utils/reaction-level.test.ts
index ade1fe5dd8c..ec5cedb2e9f 100644
--- a/src/utils/reaction-level.test.ts
+++ b/src/utils/reaction-level.test.ts
@@ -2,52 +2,64 @@ import { describe, expect, it } from "vitest";
 import { resolveReactionLevel } from "./reaction-level.js";
 
 describe("resolveReactionLevel", () => {
-  it("defaults when value is missing", () => {
-    expect(
-      resolveReactionLevel({ value: undefined, defaultLevel: "minimal", invalidFallback: "ack" }),
-    ).toEqual({
-      level: "minimal",
-      ackEnabled: false,
-      agentReactionsEnabled: true,
-      agentReactionGuidance: "minimal",
-    });
-  });
-
-  it("supports ack", () => {
-    expect(
-      resolveReactionLevel({ value: "ack", defaultLevel: "minimal", invalidFallback: "ack" }),
-    ).toEqual({ level: "ack", ackEnabled: true, agentReactionsEnabled: false });
-  });
-
-  it("supports extensive", () => {
-    expect(
-      resolveReactionLevel({
+  const cases = [
+    {
+      name: "defaults when value is missing",
+      input: {
+        value: undefined,
+        defaultLevel: "minimal" as const,
+        invalidFallback: "ack" as const,
+      },
+      expected: {
+        level: "minimal",
+        ackEnabled: false,
+        agentReactionsEnabled: true,
+        agentReactionGuidance: "minimal",
+      },
+    },
+    {
+      name: "supports ack",
+      input: { value: "ack", defaultLevel: "minimal" as const, invalidFallback: "ack" as const },
+      expected: { level: "ack", ackEnabled: true, agentReactionsEnabled: false },
+    },
+    {
+      name: "supports extensive",
+      input: {
         value: "extensive",
-        defaultLevel: "minimal",
-        invalidFallback: "ack",
-      }),
-    ).toEqual({
-      level: "extensive",
-      ackEnabled: false,
-      agentReactionsEnabled: true,
-      agentReactionGuidance: "extensive",
-    });
-  });
+        defaultLevel: "minimal" as const,
+        invalidFallback: "ack" as const,
+      },
+      expected: {
+        level: "extensive",
+        ackEnabled: false,
+        agentReactionsEnabled: true,
+        agentReactionGuidance: "extensive",
+      },
+    },
+    {
+      name: "uses invalid fallback ack",
+      input: { value: "bogus", defaultLevel: "minimal" as const, invalidFallback: "ack" as const },
+      expected: { level: "ack", ackEnabled: true, agentReactionsEnabled: false },
+    },
+    {
+      name: "uses invalid fallback minimal",
+      input: {
+        value: "bogus",
+        defaultLevel: "minimal" as const,
+        invalidFallback: "minimal" as const,
+      },
+      expected: {
+        level: "minimal",
+        ackEnabled: false,
+        agentReactionsEnabled: true,
+        agentReactionGuidance: "minimal",
+      },
+    },
+  ] as const;
 
-  it("uses invalid fallback ack", () => {
-    expect(
-      resolveReactionLevel({ value: "bogus", defaultLevel: "minimal", invalidFallback: "ack" }),
-    ).toEqual({ level: "ack", ackEnabled: true, agentReactionsEnabled: false });
-  });
-
-  it("uses invalid fallback minimal", () => {
-    expect(
-      resolveReactionLevel({ value: "bogus", defaultLevel: "minimal", invalidFallback: "minimal" }),
-    ).toEqual({
-      level: "minimal",
-      ackEnabled: false,
-      agentReactionsEnabled: true,
-      agentReactionGuidance: "minimal",
+  for (const testCase of cases) {
+    it(testCase.name, () => {
+      expect(resolveReactionLevel(testCase.input)).toEqual(testCase.expected);
     });
-  });
+  }
 });
diff --git a/src/utils/utils-misc.test.ts b/src/utils/utils-misc.test.ts
index 1c8a1632285..602db3f6f57 100644
--- a/src/utils/utils-misc.test.ts
+++ b/src/utils/utils-misc.test.ts
@@ -43,40 +43,48 @@ describe("parseBooleanValue", () => {
 });
 
 describe("isReasoningTagProvider", () => {
-  it("returns false for ollama - native reasoning field, no tags needed (#2279)", () => {
-    expect(isReasoningTagProvider("ollama")).toBe(false);
-    expect(isReasoningTagProvider("Ollama")).toBe(false);
-  });
+  const cases: Array<{
+    name: string;
+    value: string | null | undefined;
+    expected: boolean;
+  }> = [
+    {
+      name: "returns false for ollama - native reasoning field, no tags needed (#2279)",
+      value: "ollama",
+      expected: false,
+    },
+    {
+      name: "returns false for case-insensitive ollama",
+      value: "Ollama",
+      expected: false,
+    },
+    { name: "returns true for google-gemini-cli", value: "google-gemini-cli", expected: true },
+    {
+      name: "returns true for google-generative-ai",
+      value: "google-generative-ai",
+      expected: true,
+    },
+    { name: "returns true for google-antigravity", value: "google-antigravity", expected: true },
+    {
+      name: "returns true for google-antigravity model suffixes",
+      value: "google-antigravity/gemini-3",
+      expected: true,
+    },
+    { name: "returns true for minimax", value: "minimax", expected: true },
+    { name: "returns true for minimax-cn", value: "minimax-cn", expected: true },
+    { name: "returns false for null", value: null, expected: false },
+    { name: "returns false for undefined", value: undefined, expected: false },
+    { name: "returns false for empty", value: "", expected: false },
+    { name: "returns false for anthropic", value: "anthropic", expected: false },
+    { name: "returns false for openai", value: "openai", expected: false },
+    { name: "returns false for openrouter", value: "openrouter", expected: false },
+  ];
 
-  it("returns true for google-gemini-cli", () => {
-    expect(isReasoningTagProvider("google-gemini-cli")).toBe(true);
-  });
-
-  it("returns true for google-generative-ai", () => {
-    expect(isReasoningTagProvider("google-generative-ai")).toBe(true);
-  });
-
-  it("returns true for google-antigravity", () => {
-    expect(isReasoningTagProvider("google-antigravity")).toBe(true);
-    expect(isReasoningTagProvider("google-antigravity/gemini-3")).toBe(true);
-  });
-
-  it("returns true for minimax", () => {
-    expect(isReasoningTagProvider("minimax")).toBe(true);
-    expect(isReasoningTagProvider("minimax-cn")).toBe(true);
-  });
-
-  it("returns false for null/undefined/empty", () => {
-    expect(isReasoningTagProvider(null)).toBe(false);
-    expect(isReasoningTagProvider(undefined)).toBe(false);
-    expect(isReasoningTagProvider("")).toBe(false);
-  });
-
-  it("returns false for standard providers", () => {
-    expect(isReasoningTagProvider("anthropic")).toBe(false);
-    expect(isReasoningTagProvider("openai")).toBe(false);
-    expect(isReasoningTagProvider("openrouter")).toBe(false);
-  });
+  for (const testCase of cases) {
+    it(testCase.name, () => {
+      expect(isReasoningTagProvider(testCase.value)).toBe(testCase.expected);
+    });
+  }
 });
 
 describe("splitShellArgs", () => {