Release v0.16.12

Changes from 0.16.11 to 0.16.12

What's Changed

• fix: remove redundant --default flag and allow --conv default with --new-agent by @devanshrj in #1127
• fix: pass --conv alias to headless mode by @devanshrj in #1129
• fix: preserve approval data across stream resume boundary by @carenthomas in #1128
• feat: add telemetry tracking for retry-inducing errors by @jnjpng in #1131
• feat: include recent chunks in error telemetry by @jnjpng in #1134
• feat: listen -> remote by @4shub in #1133
• fix(models): recommend GPT-5.3 Codex over GPT-5.2 by @sarahwooders in #1132
• chore: update CI matrix to sonnet-4.6 and gemini-3.1-pro by @kl2806 in #1108
• fix(tui): prevent reflow glitches (footer + resize) by @paulbettner in #1098
• feat: retry on empty LLM response (LET-7679) by @carenthomas in #1130
• feat: add telemetry tracking for conversation-busy retries by @jnjpng in #1135

Full Changelog: v0.16.11...v0.16.12