chore: add sproutclaw git workflow and track local extensions

Document main/upstream-sync/feature branch strategy, add sync/push
scripts, track .pi/agent extensions and webui in git, and disable
startup changelog via showChangelogOnStartup.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/coding-agent/src/core/settings-manager.ts

@@ -89,6 +89,7 @@ export interface Settings {
 	hideThinkingBlock?: boolean;
 	shellPath?: string; // Custom shell path (e.g., for Cygwin users on Windows)
 	quietStartup?: boolean;
+	showChangelogOnStartup?: boolean;
 	shellCommandPrefix?: string; // Prefix prepended to every bash command (e.g., "shopt -s expand_aliases" for alias support)
 	npmCommand?: string[]; // Command used for npm package lookup/install operations, argv-style (e.g., ["mise", "exec", "node@20", "--", "npm"])
 	collapseChangelog?: boolean; // Show condensed changelog after update (use /changelog for full)
@@ -780,6 +781,16 @@ export class SettingsManager {
 		this.save();
 	}
 
+	getShowChangelogOnStartup(): boolean {
+		return this.settings.showChangelogOnStartup ?? true;
+	}
+
+	setShowChangelogOnStartup(show: boolean): void {
+		this.globalSettings.showChangelogOnStartup = show;
+		this.markModified("showChangelogOnStartup");
+		this.save();
+	}
+
 	getShellCommandPrefix(): string | undefined {
 		return this.settings.shellCommandPrefix;
 	}

packages/coding-agent/src/modes/interactive/interactive-mode.ts

@@ -858,6 +858,10 @@ export class InteractiveMode {
 	 * Only shows new entries since last seen version, skips for resumed sessions.
 	 */
 	private getChangelogForDisplay(): string | undefined {
+		if (!this.settingsManager.getShowChangelogOnStartup()) {
+			return undefined;
+		}
+
 		// Skip changelog for resumed/continued sessions (already have messages)
 		if (this.session.state.messages.length > 0) {
 			return undefined;