Preserve executable permissions before Docker builds when artifacts lose their exec bits

Improvements

• CoreFix plugins reinstalling more often than needed.
• CoreUse display: summarized by default for Anthropic Bedrock Opus 4.7 requests.
• CoreDetect attachment types from file contents so images and PDFs still work with incorrect or missing extensions.
• CoreSupport OTEL_RESOURCE_ATTRIBUTES for custom telemetry resource tags.
• CoreFix package installs when node_modules is missing.
• CoreFix GitHub Copilot Anthropic Haiku requests by disabling unsupported tool streaming.
• TerminalAdd a full-session option when forking from the session dialog.
• TerminalShow the session ID in the sidebar on non-production channels.
• CoreRestore the native ripgrep backend so file search and file listing work reliably again.