[REL] v3.0.0-alpha.30

v3.0.0-alpha.30

• [FIX] owl-runtime: validate default props against props definition
• [FIX] owl-runtime: preserve t-ref when a sibling slot takes ownership
• [FIX] reactivity: drop stale setComputation(prev) in initiateRender catch
• [FIX] reactivity: restore currentComputation on render error path
• [FIX] reactivity: restore currentComputation when compute() throws
• [IMP] reactivity: short-circuit eager source walk once STALE propagates
• [FIX] reactivity: clear processEffects queue eagerly so a throwing effect is not re-run
• [FIX] reactivity: run effect body before pulling computed chain on update
• [IMP] compiler: improve expression parser scoping and template string handling
• [IMP] playground: add XML & JS syntax highlighting for OWL in code editor
• [IMP] reactivity: use Promise.resolve instead of queueMicrotask
• [IMP] docs: add template highlighting for xml and markup helpers
• [FIX] owl-runtime: don't store default props on node.props
• [DOC] onPatched / onWillPatch semantics under signals
• [IMP] owl-runtime: test and document TemplateFunction in App config
• [FIX] owl-runtime: allow TemplateFunction in App config
• [FIX] build: dedup owl-core in the umbrella owl bundle
• [IMP] owl-runtime: rethrow unhandled user errors as-is