From 552c22d74e5df915088d9e9ff4a286c96c2a54d6 Mon Sep 17 00:00:00 2001
From: Adam Malczewski <github@tradam.dev>
Date: Fri, 5 Jun 2026 21:20:34 +0900
Subject: feat(cli): one-shot terminal client (models, chat,
 --text/--file/--cwd/--conversation)

HTTP client of transport-contract; pure-core arg/render/ndjson + injected fetch/fs shell.
Docs: GLOSSARY (credential/key/model name/model catalog), tasks.md milestone, ORCHESTRATOR geography.
---
 packages/cli/src/message.ts | 55 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 packages/cli/src/message.ts

(limited to 'packages/cli/src/message.ts')

diff --git a/packages/cli/src/message.ts b/packages/cli/src/message.ts
new file mode 100644
index 0000000..0c3f538
--- /dev/null
+++ b/packages/cli/src/message.ts
@@ -0,0 +1,55 @@
+/**
+ * Pure message composition — zero I/O.
+ *
+ * Combines text and file content into a single message string,
+ * and builds a ChatRequest from a parsed command.
+ */
+
+import type { ChatRequest } from "@dispatch/transport-contract";
+
+interface ComposeInput {
+	readonly text?: string;
+	readonly file?: string;
+	readonly fileContent?: string;
+}
+
+function basename(filePath: string): string {
+	const segments = filePath.split("/");
+	return segments[segments.length - 1] ?? filePath;
+}
+
+export function composeMessage(input: ComposeInput): string {
+	const { text, fileContent } = input;
+	const file = input.file;
+
+	if (text && file) {
+		return `${text}\n\nAttached file (${basename(file)}):\n${fileContent ?? ""}`;
+	}
+	if (file) {
+		return `Attached file (${basename(file)}):\n${fileContent ?? ""}`;
+	}
+	return text ?? "";
+}
+
+interface ChatCmd {
+	readonly modelName: string;
+	readonly text?: string | undefined;
+	readonly file?: string | undefined;
+	readonly cwd?: string | undefined;
+	readonly conversationId?: string | undefined;
+	readonly showReasoning: boolean;
+}
+
+interface BuildCtx {
+	readonly cwd: string;
+	readonly message: string;
+}
+
+export function buildChatRequest(cmd: ChatCmd, ctx: BuildCtx): ChatRequest {
+	return {
+		message: ctx.message,
+		model: cmd.modelName,
+		...(cmd.conversationId !== undefined && { conversationId: cmd.conversationId }),
+		...(cmd.cwd !== undefined ? { cwd: cmd.cwd } : { cwd: ctx.cwd }),
+	};
+}
-- 
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