Termux Terminal bridge 1.0.4

release: prepare Termux Terminal 1.0.4 (#4)

* docs: establish terminal architecture and specifications

* feat: implement Termux bridge PTY protocol

* test: cover bridge websocket lifecycle

* feat: add interactive Obsidian terminal plugin

* build: add release packaging and Termux installer

* docs: publish native Termux usage guide

* docs: define terminal release goal

* docs: prepare public marketplace documentation

* docs: add public maintenance policies

* build: align release version metadata

* ci: validate marketplace release assets

* build: update bridge lock version

* fix: publish release builds with installed musl target

* ci: validate pull requests before release

* feat: isolate terminal control input

* release: prepare v1.0.4

* fix: satisfy marketplace review requirements

* docs: organize native Termux project guidance