Complete agent monitoring and Galaxy Control integration

- expose command-monitor conversations and preserve visible agent transcripts
- add bounded polling and a dedicated shell interrupt tool
- improve direct-provider images, skills, tool history, and usage handling
- package and brand Galaxy Control across releases, installers, persistence, and docs

app/src/ai/blocklist/usage/context_window_view.rs

@@ -45,6 +45,7 @@ impl View for ContextWindowView {
                     .iter()
                     .map(|p| match p {
                         ContentPart::Text(t) => t.len(),
+                        ContentPart::Image { .. } => 6_400,
                         ContentPart::ToolUse { input, .. } => input.to_string().len(),
                         ContentPart::ToolResult { content, .. } => content.len(),
                     })
@@ -111,6 +112,14 @@ impl View for ContextWindowView {
                             ContentPart::Text(t) => {
                                 out.push_str(&format!("[Part {} Text] {}\n", pi, t));
                             }
+                            ContentPart::Image { data, mime_type } => {
+                                out.push_str(&format!(
+                                    "[Part {} Image] mime_type={}, bytes={}\n",
+                                    pi,
+                                    mime_type,
+                                    data.len()
+                                ));
+                            }
                             ContentPart::ToolUse {
                                 name,
                                 tool_use_id,