In ext/wasm, add the ability to omit specific JS APIs and VFSes at build-time.

FossilOrigin-Name: 0d70a15c3b35e9af3052042cd5332db1b38a66416f1c3c8a50d342395bf22c01

diff --cc manifest
index c12e4ac06832393002ca4bfa6fd27e3dd55f803b,3ee86025c64a5e9cfe780d674605a11838442164..830dbb12383caf50f2ac00ee43ed5b176d18cd07
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Enhancements\sto\sdate/time\sfunctions:\s\sThe\s"weekday\s-N"\smodifier\smoves\nthe\sdate\sbackward\sin\stime.\s\sThe\s"end\sof\sday/month/year"\smodifiers\sadded.
- D 2026-07-01T12:11:41.802
 -C Rename\somit-api=all\sto\somit-api=ALL\sto\sdefend\sagainst\sbreaking\son\sa\ssubstring\smatch\sof\s'all'\sin\sas-yet-hypothetical\sfuture\sfeature\snames.
 -D 2026-06-29T11:59:54.604
++C In\sext/wasm,\sadd\sthe\sability\sto\somit\sspecific\sJS\sAPIs\sand\sVFSes\sat\sbuild-time.
++D 2026-07-02T09:52:03.709
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -2210,9 -2210,8 +2210,9 @@@ F tool/warnings-clang.sh bbf6a1e685e534
  F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
  F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
- P 007f0496619e571092382a3668b6bbcc17919908895dc4be71f8d1b6ec2aeeed 2c4cb3223c6c56d05fe91b8d19b60eac26a274e41f34a2d8f2cf911927581932
- R 1e8cc3c2fef8cd515a643be551bc5111
- T +closed 2c4cb3223c6c56d05fe91b8d19b60eac26a274e41f34a2d8f2cf911927581932
- U drh
- Z 72253f088d1bca64ce0c9a09dc87f11f
 -P 97ab248b4dd30de76bfbc74ab5cf087df9cd14fd38eb4369a3eadc75953b8c73
 -R 37f10a01d1c864b192a62bfda6ecacf9
++P 88901fffcd445ccb97e4e379ea15d8b06d87b8170cad0f717c909944ff21851f 225dd27e147b46e85097ada7234a307f55842d98155cd36fe00da57744598bc3
++R d20cfce4969b948014d3a3d610a966ce
++T +closed 225dd27e147b46e85097ada7234a307f55842d98155cd36fe00da57744598bc3 Closed\sby\sintegrate-merge.
+ U stephan
 -Z 6fa1bf5f3ee7d8888e8165ea12e2875e
++Z 4776f4f7741018f2b4629b3adc43c7dd
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index d50e37fef0257917e566e919529f3e5bbd7c68cd,1b1dd86007cc3bf3bf72f8af3a79561e447374b5..a089abfa640e6b6a4a1a51e60888aca8740a0e25
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 88901fffcd445ccb97e4e379ea15d8b06d87b8170cad0f717c909944ff21851f
 -225dd27e147b46e85097ada7234a307f55842d98155cd36fe00da57744598bc3
++0d70a15c3b35e9af3052042cd5332db1b38a66416f1c3c8a50d342395bf22c01