feat(errors): expand template and container diagnostics #153

Job	Run time
Valgrind Checks	3m 37s
Static Analysis	6m 1s
Configuration Coverage	6m 50s
Build (clang)	4m 0s
Runtime Smoke Checks	4m 0s
Build (gcc)	3m 33s
Standalone Package Export Check	4m 31s
CLI Strict CI Summary	2s
	32m 34s

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