From 7abe2a70c7fb782f8bfb15e01f9f9fdabeea40b3 Mon Sep 17 00:00:00 2001
From: 404-Page-Found <139850808+404-Page-Found@users.noreply.github.com>
Date: Wed, 5 Aug 2026 12:31:25 +1000
Subject: [PATCH 1/2] feat(config): show prompt template status

Display whether system and user prompt templates use custom or default values in human-readable config output, with CLI coverage.

Closes #214

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 src/commands/config.ts        |  3 +++
 tests/config-command.test.mjs | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/commands/config.ts b/src/commands/config.ts
index 8fcb2da..5d78b91 100644
--- a/src/commands/config.ts
+++ b/src/commands/config.ts
@@ -205,6 +205,9 @@ export async function configCommand(options: ConfigCommandOptions = {}): Promise
   console.log(`  Endpoint: ${pc.dim(resolveEndpoint(config))}`);
   console.log(`  History size: ${pc.bold(String(config.historySize))}`);
   console.log(`  Max diff size: ${pc.bold(String(config.maxDiffSize))}`);
+  console.log(
+    `  Prompt templates: system ${pc.dim(config.systemPromptTemplate ? 'custom' : 'default')}, user ${pc.dim(config.userPromptTemplate ? 'custom' : 'default')}`,
+  );
   console.log(`  API key: ${pc.dim(maskApiKey(config.apiKey))}`);
   console.log();
 
diff --git a/tests/config-command.test.mjs b/tests/config-command.test.mjs
index 726e3f4..578fdc2 100644
--- a/tests/config-command.test.mjs
+++ b/tests/config-command.test.mjs
@@ -109,6 +109,7 @@ test('config command displays the current configuration with a masked API key',
     assert.match(output, /Endpoint:\s+https:\/\/api\.openai\.com\/v1/);
     assert.match(output, /History size:\s+12/);
     assert.match(output, /Max diff size:\s+4000/);
+    assert.match(output, /Prompt templates:\s+system default, user default/);
     assert.match(output, /API key:\s+sk-t••••/);
     assert.doesNotMatch(output, /sk-test-secret-value/);
   });
@@ -129,6 +130,20 @@ test('config command displays a custom endpoint from the config file', async ()
   });
 });
 
+test('config command reports custom prompt template status', async () => {
+  await withTempHome(async (homeDir) => {
+    writeConfig(homeDir, {
+      systemPromptTemplate: 'Use system instructions.',
+      userPromptTemplate: 'Use user instructions for {{diff}}.',
+    });
+
+    const { stdout, stderr } = await runConfig(homeDir);
+    const output = stdout + stderr;
+
+    assert.match(output, /Prompt templates:\s+system custom, user custom/);
+  });
+});
+
 test('config command reports when no API key is stored in config', async () => {
   await withTempHome(async (homeDir) => {
     writeConfig(homeDir, { apiKey: undefined });

From dd378c6169773c5779812c7430a5ccdd47dfa7e2 Mon Sep 17 00:00:00 2001
From: 404-Page-Found <139850808+404-Page-Found@users.noreply.github.com>
Date: Wed, 5 Aug 2026 12:36:59 +1000
Subject: [PATCH 2/2] test(config): cover mixed prompt template status

Add coverage for configurations that customize only the user prompt template.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 tests/config-command.test.mjs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/config-command.test.mjs b/tests/config-command.test.mjs
index 578fdc2..6b39ff7 100644
--- a/tests/config-command.test.mjs
+++ b/tests/config-command.test.mjs
@@ -144,6 +144,19 @@ test('config command reports custom prompt template status', async () => {
   });
 });
 
+test('config command reports mixed prompt template status', async () => {
+  await withTempHome(async (homeDir) => {
+    writeConfig(homeDir, {
+      userPromptTemplate: 'Use user instructions for {{diff}}.',
+    });
+
+    const { stdout, stderr } = await runConfig(homeDir);
+    const output = stdout + stderr;
+
+    assert.match(output, /Prompt templates:\s+system default, user custom/);
+  });
+});
+
 test('config command reports when no API key is stored in config', async () => {
   await withTempHome(async (homeDir) => {
     writeConfig(homeDir, { apiKey: undefined });