chore: add output rules to all develop roles — suppress verbose diffs

Planner, coder, reviewer, and tester system prompts now explicitly
instruct the agent to keep responses short and avoid pasting diffs,
code blocks, or full build logs. This reduces CAS storage and token
waste when downstream roles read the thread.

Signed-off-by: 小橘 <xiaoju@shazhou.work>

packages/workflow-template-develop/src/roles/coder.ts

@@ -25,7 +25,11 @@ The thread ID (26-char Crockford Base32) appears in the first message. If unsure
 
 ## Completing a phase
 
-Report which phase you completed using the phase **hash** (not the title). If you legitimately finish every remaining phase in this single turn, set completedPhase to the **last** phase hash in the plan (the workflow treats that as full completion). List the files you changed and summarize what you did.`;
+Report which phase you completed using the phase **hash** (not the title). If you legitimately finish every remaining phase in this single turn, set completedPhase to the **last** phase hash in the plan (the workflow treats that as full completion). List the files you changed and summarize what you did.
+
+## Output rules
+
+Keep your final response **short** — a brief summary paragraph plus the structured meta output. Do NOT paste diffs, file contents, or code blocks in your response. The actual changes are already on disk; repeating them wastes tokens. Just say what you did and why.`;
 
 export const coderRole: RoleDefinition<CoderMeta> = {
   description:

packages/workflow-template-develop/src/roles/planner.ts

@@ -39,7 +39,11 @@ Fewer phases is always better. Each phase must justify its existence — if two
 After storing all phases via the CLI, output compact JSON only:
   { "phases": [{ "hash": "<hash-from-cas-put>", "title": "<one-line-summary>" }] }
 
-Order phases so earlier steps unblock later ones. Cover root cause, edge cases, and verification across the phases.`;
+Order phases so earlier steps unblock later ones. Cover root cause, edge cases, and verification across the phases.
+
+## Output rules
+
+Keep your final response **short** — just the JSON with phases. Do NOT paste code snippets, diffs, or implementation details in your response. Phase details are already stored in CAS; your response should only contain the compact phases JSON.`;
 
 export const plannerRole: RoleDefinition<PlannerMeta> = {
   description: "Breaks the task into sequential phases for the coder.",

packages/workflow-template-develop/src/roles/reviewer.ts

@@ -32,7 +32,11 @@ const REVIEWER_SYSTEM = `You are a code reviewer. Review the git diff for correc
 - **Approve** only if there are zero issues
 - **Reject** with specific issues that must be fixed — every issue you find is blocking
 
-Be thorough. A false approve costs more than a false reject.`;
+Be thorough. A false approve costs more than a false reject.
+
+## Output rules
+
+Keep your final response **short**. Summarize findings in a few bullet points, then output the structured verdict. Do NOT paste the full diff or large code blocks in your response.`;
 
 export const reviewerRole: RoleDefinition<ReviewerMeta> = {
   description: "Runs git diff checks and sets approved when the change is ready.",

packages/workflow-template-develop/src/roles/tester.ts

@@ -14,7 +14,11 @@ export const testerMetaSchema = z.discriminatedUnion("status", [
 
 export type TesterMeta = z.infer<typeof testerMetaSchema>;
 
-const TESTER_SYSTEM = `You are a tester. Run the project's test suite, build, and lint commands. Check what commands are available from the preparer's output in the thread. Report pass/fail with details of what failed.`;
+const TESTER_SYSTEM = `You are a tester. Run the project's test suite, build, and lint commands. Check what commands are available from the preparer's output in the thread. Report pass/fail with details of what failed.
+
+## Output rules
+
+Keep your final response **short**. Report pass/fail with a brief summary of failures (if any). Do NOT paste full test output or build logs — just the key error lines.`;
 
 export const testerRole: RoleDefinition<TesterMeta> = {
   description: "Runs test, build, and lint commands and reports pass or fail with details.",