v1.5.0: Inline subagent panels, Bedrock compaction fixes, context window debug view

New features:
- Inline subagent panels with expand/collapse and click-to-toggle
- /context slash command to inspect bedrock_message_history
- Child-to-parent question routing with auto-answer for subagents
- Subagent token usage and cost merging into parent conversation
- Randomized session-colored user avatar silhouettes

Bug fixes:
- Bedrock: remove orphaned tool_results after compaction
- Bedrock: self-healing exchange lookup for out-of-order streaming
- Bedrock: append continuation prompt when conversation ends with assistant
- Duration sanity check rejects epoch-time artifacts from session restore
- Cache hit rate calculation uses actual total_input_tokens
- Hide "Time to first token" when value is zero

Improvements:
- Demote verbose bedrock-debug logs to debug/trace levels
- Bedrock tool usage counting falls back to action counting
- Remove logout menu item from workspace menu

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/src/search/slash_command_menu/static_commands/commands.rs

@@ -387,6 +387,15 @@ pub const COST: StaticCommand = StaticCommand {
     argument: None,
 };
 
+pub const CONTEXT: StaticCommand = StaticCommand {
+    name: "/context",
+    description: "Show current context window contents (debug)",
+    icon_path: "bundled/svg/bar-chart-04.svg",
+    availability: Availability::AGENT_VIEW.union(Availability::AI_ENABLED),
+    auto_enter_ai_mode: false,
+    argument: None,
+};
+
 pub const CONVERSATIONS: StaticCommand = StaticCommand {
     name: "/conversations",
     description: "Open conversation history",
@@ -506,6 +515,7 @@ fn all_commands() -> Vec<StaticCommand> {
         ADD_MCP,
         ADD_PROMPT.clone(),
         ADD_RULE,
+        CONTEXT,
         COST,
         FEEDBACK.clone(),
         INDEX,