Fix minor formatting inconsistencies

- Remove extra blank line between imports in index.ts
- Remove space inside empty catch callback braces
- Fix trailing newline in prompt template causing double blank line

Author: Tarquinen

index.ts

@@ -4,7 +4,6 @@ import { tool } from "@opencode-ai/plugin"
 import { getConfig } from "./lib/config"
 import { Logger } from "./lib/logger"
 import { Janitor, type SessionStats } from "./lib/janitor"
-
 import { checkForUpdates } from "./lib/version-checker"
 
 /**
@@ -149,7 +148,7 @@ const plugin: Plugin = (async (ctx) => {
     })
 
     // Check for updates on launch (fire and forget)
-    checkForUpdates(ctx.client, logger).catch(() => { })
+    checkForUpdates(ctx.client, logger).catch(() => {})
 
     // Show migration toast if config was migrated (delayed to not overlap with version toast)
     if (migrations.length > 0) {

lib/prompt.ts

@@ -119,7 +119,7 @@ export function buildAnalysisPrompt(
 
     // Build optional context section if reason provided
     const reasonContext = reason
-        ? `\nContext: The AI has requested pruning with the following reason: "${reason}"\nUse this context to inform your decisions about what is most relevant to keep.\n`
+        ? `\nContext: The AI has requested pruning with the following reason: "${reason}"\nUse this context to inform your decisions about what is most relevant to keep.`
         : ''
 
     return `You are a conversation analyzer that identifies obsolete tool outputs in a coding session.