v1.9.5

<!-- Release notes generated using configuration in .github/release.yml at main -->

## What's Changed
### 🐛 Bug Fixes
* fix: update Docker base images to Trixie and force pull latest images in nightly builds by @vjgit96 in https://github.com/langflow-ai/langflow/pull/13015
* fix: Model handling for tool calling in agents and update IBM models by @mfortman11 in https://github.com/langflow-ai/langflow/pull/13191
* fix(ci): backport bundle rename step to nightly workflow on main by @erichare in https://github.com/langflow-ai/langflow/pull/13195
* fix(ci): gate nightly release on successful tag creation by @erichare in https://github.com/langflow-ai/langflow/pull/13198
* fix(ci): use local bundle wheels in nightly install tests by @erichare in https://github.com/langflow-ai/langflow/pull/13256
* fix: properly set nightly-base skipped by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/13338
### 📝 Documentation Updates
* docs: rewrite AGENTS.md as hub with topical project philosophy docs by @ogabrielluiz in https://github.com/langflow-ai/langflow/pull/13038
### 🛠 Maintenance Tasks
* refactor(settings): split monolithic Settings into per-domain group mixins by @ogabrielluiz in https://github.com/langflow-ai/langflow/pull/13141
### Others
* ci: block PR titles ending in ellipsis by @ogabrielluiz in https://github.com/langflow-ai/langflow/pull/13004
* chore: improve AI-agent context (CLAUDE.md auto-load + AGENTS.md tweaks) by @ogabrielluiz in https://github.com/langflow-ai/langflow/pull/13028
* chore(ci): timeout bump + harden langflow grep + build/publish src/bundles/* wheels by @erichare in https://github.com/langflow-ai/langflow/pull/13199
* ci: stop publishing -nightly bundle variants; release bundles on demand by @erichare in https://github.com/langflow-ai/langflow/pull/13206
* ci(release_bundles): build lfx wheel locally for smoke test by @erichare in https://github.com/langflow-ai/langflow/pull/13207
* ci(nightly): re-pin bundle lfx deps to lfx-nightly during nightly build by @erichare in https://github.com/langflow-ai/langflow/pull/13208
* ci: port safe workflow fixes from release-1.10.0 to main by @erichare in https://github.com/langflow-ai/langflow/pull/13401


**Full Changelog**: https://github.com/langflow-ai/langflow/compare/v1.9.4...1.9.5