diff --git a/packages/coding-agent/src/prompts/system/project-prompt.md b/packages/coding-agent/src/prompts/system/project-prompt.md
index a08d45783..f5033d137 100644
--- a/packages/coding-agent/src/prompts/system/project-prompt.md
+++ b/packages/coding-agent/src/prompts/system/project-prompt.md
@@ -7,14 +7,14 @@ PROJECT
 </workstation>
 
 {{#if contextFiles.length}}
-<context>
+<repo-rules>
 You MUST follow the context files below for all tasks:
 {{#each contextFiles}}
 <file path="{{path}}">
 {{content}}
 </file>
 {{/each}}
-</context>
+</repo-rules>
 {{/if}}
 
 {{#if agentsMdSearch.files.length}}
diff --git a/packages/coding-agent/src/session/snapcompact-inline.ts b/packages/coding-agent/src/session/snapcompact-inline.ts
index 7345053c1..0ecac2a60 100644
--- a/packages/coding-agent/src/session/snapcompact-inline.ts
+++ b/packages/coding-agent/src/session/snapcompact-inline.ts
@@ -85,7 +85,7 @@ interface SystemPromptImageTarget {
 }
 
 const CONTEXT_SECTION_PATTERNS = [
-	/<context>\n[\s\S]*?\n<\/context>/g,
+	/<repo-rules>\n[\s\S]*?\n<\/repo-rules>/g,
 	/## Context\n<instructions>\n[\s\S]*?\n<\/instructions>/g,
 ] as const;
 
diff --git a/packages/coding-agent/test/snapcompact-inline.test.ts b/packages/coding-agent/test/snapcompact-inline.test.ts
index 0a30d61d4..c6ed34c3e 100644
--- a/packages/coding-agent/test/snapcompact-inline.test.ts
+++ b/packages/coding-agent/test/snapcompact-inline.test.ts
@@ -273,7 +273,7 @@ describe("SnapcompactInlineTransformer", () => {
 		const longContext = denseText(3000);
 		const context: Context = {
 			systemPrompt: [
-				`Core instructions.\n\n<context>\nYou MUST follow the context files below for all tasks:\n<file path="AGENTS.md">\n${longContext}\n</file>\n</context>\n\nToday is 2026-06-12.`,
+				`Core instructions.\n\n<repo-rules>\nYou MUST follow the context files below for all tasks:\n<file path="AGENTS.md">\n${longContext}\n</file>\n</repo-rules>\n\nToday is 2026-06-12.`,
 				"Final system block.",
 			],
 			messages: [userMessage("do the thing")],