PTY resize crashes fixed; session context filtering improved

What's Changed

• chore(release): bump version to 0.45.0-nightly.20260521.g854f811be by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/27362
• fix(cli): prevent Termux relaunch and resize remount loops by @saymanq in https://github.com/google-gemini/gemini-cli/pull/27110
• Feat/a2a expose usage metadata by @jvargassanchez-dot in https://github.com/google-gemini/gemini-cli/pull/27288
• feat(context): Complete simplification work. by @joshualitt in https://github.com/google-gemini/gemini-cli/pull/27345
• fix(core): force update_topic tool to execute sequentially by @jvargassanchez-dot in https://github.com/google-gemini/gemini-cli/pull/27357
• Changelog for v0.44.0-preview.0 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/27360
• Changelog for v0.43.0 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/27361
• Revert "fix(core): prevent SIGHUP kills in PTY environments" by @bbiggs in https://github.com/google-gemini/gemini-cli/pull/27401
• fix(cli): filter internal session context from history during resumption by @rmedranollamas in https://github.com/google-gemini/gemini-cli/pull/27391
• Update default auto routing by @DavidAPierce in https://github.com/google-gemini/gemini-cli/pull/27071
• fix(core): bypass routing classifiers to prevent orphaned function response errors by @danielweis in https://github.com/google-gemini/gemini-cli/pull/27389
• fix(core): suppress PTY resize EBADF errors by @scidomino in https://github.com/google-gemini/gemini-cli/pull/27461
• fix(core): prevent blacklist bypass in mcp list by @ompatel-aiml in https://github.com/google-gemini/gemini-cli/pull/27377
• fix(cli): ignore unmapped vim normal keys by @MukundaKatta in https://github.com/google-gemini/gemini-cli/pull/27102
• fix(patch): cherry-pick bd53951 to release/v0.45.0-preview.0-pr-27496 to patch version v0.45.0-preview.0 and create version 0.45.0-preview.1 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/27535

New Contributors

• @saymanq made their first contribution in https://github.com/google-gemini/gemini-cli/pull/27110
• @jvargassanchez-dot made their first contribution in https://github.com/google-gemini/gemini-cli/pull/27288
• @MukundaKatta made their first contribution in https://github.com/google-gemini/gemini-cli/pull/27102

Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.44.1...v0.45.0