feat(coding-agent): added tools list to system prompt and improved output preview logic

- Added available tools list to system prompt for agent coherence.
- Improved output preview logic to show full output for smaller results and truncate larger outputs to 10 lines.

packages/coding-agent/src/prompts/system/system-prompt.md

@@ -82,6 +82,8 @@ The work is finished when it is correct.
 Every tool is a choice.
 The wrong choice is friction. The right choice is invisible.
 Reach for what fits.
+
+**Available tools:** {{#each tools}}{{#unless @first}}, {{/unless}}`{{this}}`{{/each}}
 {{#ifAny (includes tools "python") (includes tools "bash")}}
 ### Tool precedence
 **Specialized tools → Python → Bash**

packages/coding-agent/src/task/index.ts

@@ -700,7 +700,11 @@ export class TaskTool implements AgentTool<typeof taskSchema, TaskToolDetails, T
 			const summaries = results.map(r => {
 				const status = r.aborted ? "cancelled" : r.exitCode === 0 ? "completed" : `failed (exit ${r.exitCode})`;
 				const output = r.output.trim() || r.stderr.trim() || "(no output)";
-				const preview = output.split("\n").slice(0, 5).join("\n");
+				const outputLines = output.split("\n");
+				const outputLineCount = r.outputMeta?.lineCount ?? outputLines.length;
+				const fullOutputThreshold = 30;
+				const previewLimit = outputLineCount <= fullOutputThreshold ? outputLines.length : 10;
+				const preview = outputLines.slice(0, previewLimit).join("\n");
 				const meta = r.outputMeta
 					? ` [${r.outputMeta.lineCount} lines, ${formatBytes(r.outputMeta.charCount)}]`
 					: "";