Merge all the latest trunk enhancements into the begin-concurrent branch.

FossilOrigin-Name: 12fbd798cfc101da6d1114d23fe2c496cd8fae4c3ec805ac6250ad37200f23a1

diff --cc manifest
index 98d5c182516bd2076651a3f3c8f6edb458132fb2,13e70819bf17effceef2325da76a6d1f60bf18da..45fda92f20d165b8eadc7ff161884d003c742ed2
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
 -C Fix\san\ssigned\sinteger\soverflow\sproblem\sthat\scan\soccur\swhen\susing\san\soversize\nvalue\sfor\sthe\sSQLITE_MAX_LENGTH\scompile-time\soption\stogether\swith\nmulti-gigabyte\soperands\sto\sthe\sOP_Concat\soperator.
 -D 2025-10-28T13:24:50.858
 +C Merge\sall\sthe\slatest\strunk\senhancements\sinto\sthe\sbegin-concurrent\sbranch.
- D 2025-10-27T11:31:39.374
++D 2025-10-28T14:52:34.553
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -611,9 -606,9 +611,9 @@@ F ext/wasm/api/sqlite3-vfs-opfs-sahpool
  F ext/wasm/api/sqlite3-vfs-opfs.c-pp.js 418c33fe284739564daab3c7a7a88882fdd3c99137497900f98eddec1e409af5
  F ext/wasm/api/sqlite3-vtab-helper.c-pp.js 9097074724172e31e56ce20ccd7482259cf72a76124213cbc9469d757676da86
  F ext/wasm/api/sqlite3-wasm.c dd7fc1d535281f0d5d2732bb1b662d1d403a762f07b63c2ea5663053377b2804
 -F ext/wasm/api/sqlite3-worker1-promiser.c-pp.js bda1c75bd674a92a0e27cc2f3d46dbbf21e422413f8046814515a0bd7409328a
 +F ext/wasm/api/sqlite3-worker1-promiser.c-pp.js 46f303ba8ddd1b2f0a391798837beddfa72e8c897038c8047eda49ce7d5ed46b
  F ext/wasm/api/sqlite3-worker1.c-pp.js 802d69ead8c38dc1be52c83afbfc77e757da8a91a2e159e7ed3ecda8b8dba2e7
- F ext/wasm/c-pp-lite.c 8fa0148e73782a86274db688c4730e2962cd675af329490493adddaf3322f16f w ext/wasm/c-pp.c
+ F ext/wasm/c-pp-lite.c 8fa0148e73782a86274db688c4730e2962cd675af329490493adddaf3322f16f
  F ext/wasm/common/SqliteTestUtil.js 7adaeffef757d8708418dc9190f72df22367b531831775804b31598b44f6aa51
  F ext/wasm/common/emscripten.css 11bd104b6c0d597c67d40cc8ecc0a60dae2b965151e3b6a37fa5708bac3acd15
  F ext/wasm/common/testing.css e97549bab24126c24e0daabfe2de9bb478fb0a69fdb2ddd0a73a992c091aad6f
@@@ -678,14 -673,14 +678,14 @@@ F src/analyze.c 03bcfc083fc0cccaa9ded93
  F src/attach.c 9af61b63b10ee702b1594ecd24fb8cea0839cfdb6addee52fba26fa879f5db9d
  F src/auth.c 54ab9c6c5803b47c0d45b76ce27eff22a03b4b1f767c5945a3a4eb13aa4c78dc
  F src/backup.c 5c97e8023aab1ce14a42387eb3ae00ba5a0644569e3476f38661fa6f824c3523
 -F src/bitvec.c e242d4496774dfc88fa278177dd23b607dce369ccafb3f61b41638eea2c9b399
 +F src/bitvec.c 1a048c91b2fbccbbc32dcefa757f93216c0f518ed2bc0b4db39947264479ad06
  F src/btmutex.c 30dada73a819a1ef5b7583786370dce1842e12e1ad941e4d05ac29695528daea
 -F src/btree.c cb5b8ceb9baa02a63a2f83dec09c4153e1cfbdf9c2adef5c62c26d2160eeb067
 -F src/btree.h e823c46d87f63d904d735a24b76146d19f51f04445ea561f71cc3382fd1307f0
 -F src/btreeInt.h 9c0f9ea5c9b5f4dcaea18111d43efe95f2ac276cd86d770dce10fd99ccc93886
 -F src/build.c 611e07299d72ff04bbcb9e7109183467e30925d203c3e121ef9bb3cf6876289b
 +F src/btree.c 6793ca7a6fb5a00c9e6c81ab5515e98f66ea749690463cc8882a3b562af25bf3
 +F src/btree.h d2e6b8c39fdb577faa8f4f80a907537c474dc74e6adf3be9272a5a13eed2b5cd
 +F src/btreeInt.h d802a3263b11c97f04f857e3f55aa58d0af611ed9fe8bebc7d661dfb62370045
 +F src/build.c 74332652658acf8fbc306ede058cd6629f76d197ab04a45c12240f96636074e1
  F src/callback.c acae8c8dddda41ee85cfdf19b926eefe830f371069f8aadca3aa39adf5b1c859
- F src/carray.c a6f26cb349ca700d706c0e76d5b2895d76e2a1c392a2b909cf543a0dd4d4d047 w ext/misc/carray.c
+ F src/carray.c a6f26cb349ca700d706c0e76d5b2895d76e2a1c392a2b909cf543a0dd4d4d047
  F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
  F src/date.c e19e0cfff9a41bfdd884c655755f6f00bca4c1a22272b56e0dd6667b7ea893a2
  F src/dbpage.c c9ea81c11727f27e02874611e92773e68e2a90a875ef2404b084564c235fd91f
@@@ -725,27 -720,27 +725,27 @@@ F src/os.h 1ff5ae51d339d0e30d8a9d814f4b
  F src/os_common.h 6c0eb8dd40ef3e12fe585a13e709710267a258e2c8dd1c40b1948a1d14582e06
  F src/os_kv.c fb7ba8d6204197357f1eb7e1c7450d09c10043bf7e99aba602f4aa46b8fb11a3
  F src/os_setup.h 8efc64eda6a6c2f221387eefc2e7e45fd5a3d5c8337a7a83519ba4fbd2957ae2
- F src/os_unix.c 9456607b3a7216893c68f3067ca02163371b042d6e727f9e22810373ac674b00
 -F src/os_unix.c d4fd1c9bd8948c07071fbf5e4ef827f249b9075f31d3706ecc6481ed4e0ba46d
++F src/os_unix.c 67283fd581354ccbee877519e0849a73760e7bd56d2e5a76f53ac6c7fb81a6fd
  F src/os_win.c 27617f334168644b542c9d58ac6e5f051b318136273e78d243384b4eca2df6b3
  F src/os_win.h 4c247cdb6d407c75186c94a1e84d5a22cbae4adcec93fcae8d2bc1f956fd1f19
 -F src/pager.c 113f9149092ccff6cf90e97c2611200e5a237f13d26c394bc9fd933377852764
 -F src/pager.h 6137149346e6c8a3ddc1eeb40aee46381e9bc8b0fcc6dda8a1efde993c2275b8
 -F src/parse.y 619c3e92a54686c5e47923688c4b9bf7ec534a4690db5677acc28b299c403250
 +F src/pager.c 906bc5399639ecd39837bdc40954726c227dc2c9f5fff3b1f2d502cc9bd79d8e
 +F src/pager.h bc603f12d047db2643989ed1c254d32aa9c610d31b5bb02d94858e658bf63af1
 +F src/parse.y f97f2ed8f0d46a22530aabaac9e2915941f255adcac67b420cd77c384d09a1d0
  F src/pcache.c 588cc3c5ccaaadde689ed35ce5c5c891a1f7b1f4d1f56f6cf0143b74d8ee6484
  F src/pcache.h 1497ce1b823cf00094bb0cf3bac37b345937e6f910890c626b16512316d3abf5
  F src/pcache1.c 131ca0daf4e66b4608d2945ae76d6ed90de3f60539afbd5ef9ec65667a5f2fcd
  F src/pragma.c ecec75795c1821520266e4f93fa8840cce48979af532db06f085e36a7813860f
  F src/prepare.c 2af0b5c1ec787c8eebd21baa9d79caf4a4dc3a18e76ce2edbf2027d706bca37a
  F src/printf.c 7297c2aeed4d90d80c5ba82920d9e57b7bfad04b3466be1d7e042db382fe296e
 -F src/random.c 606b00941a1d7dd09c381d3279a058d771f406c5213c9932bbd93d5587be4b9c
 +F src/random.c a3e70f8515721ff24d2c0e6afd83923e8faab5ab79ececea4c1bf9fe4049fbb2
  F src/resolve.c f8d1d011aba0964ff1bdccd049d4d2c2fec217efd90d202a4bb775e926b2c25d
  F src/rowset.c 8432130e6c344b3401a8874c3cb49fefe6873fec593294de077afea2dce5ec97
 -F src/select.c b95181711d59c36d9789e67f76c4cfec64b99f9629a50be5e6566e117b87d957
 +F src/select.c baf48b38fea6765887330cd09d5b52d573b782e7f4b565b890a1be5591f0e12e
- F src/shell.c.in e58b0cecf2579c0115253e9c02a44b54fbadf77f4f33b43cfaa48a8274c9aa01
+ F src/shell.c.in ce9953719b1e544e71cc47f3b9b699440e4f441418506c0913484c58a27b36b6
 -F src/sqlite.h.in f7944026ee89ea348f89aec56372d6d25b6cafc1d89df741278d6917e86326a3
 +F src/sqlite.h.in c78d9078daa2937ff52eb6ef9e2c4a761185786b373038fc7b04ed28d11dedef
  F src/sqlite3.rc 015537e6ac1eec6c7050e17b616c2ffe6f70fca241835a84a4f0d5937383c479
  F src/sqlite3ext.h 7f236ca1b175ffe03316d974ef57df79b3938466c28d2f95caef5e08c57f3a52
 -F src/sqliteInt.h 88f7fc9ce1630d9a5f7e0a8e1f3287cdc63882fba985c18e7eee1b9f457f59aa
 +F src/sqliteInt.h 95ce971f9bd561efb308701997f724dcf6f18d145f93c3e4df968365ce4111e5
  F src/sqliteLimit.h fe70bd8983e5d317a264f2ea97473b359faf3ebb0827877a76813f5cf0cdc364
  F src/status.c 7565d63a79aa2f326339a24a0461a60096d0bd2bce711fefb50b5c89335f3592
  F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@@ -806,8 -801,8 +806,8 @@@ F src/update.c b370610139b1a568bda5b1e5
  F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
  F src/utf.c 7267c3fb9e2467020507601af3354c2446c61f444387e094c779dccd5ca62165
  F src/util.c 36fb1150062957280777655976f3f9a75db236cb8207a0770ceae8d5ec17fcd3
 -F src/vacuum.c 1bacdd0a81d2b5dc1c508fbf0d938c89fa78dd8d5b46ec92686d44030d4f4789
 -F src/vdbe.c b44c366e83412d3b8c190feb1f029b7d02e1bd69252a57b32f195107f0d03964
 +F src/vacuum.c 9e6ca9779ed3924fa6590a5a5ffe4d9233cead10144bbc285da44ff5519f7ec4
- F src/vdbe.c 76172428287be3fe1e79c679530ee461b706deea17fb1ed5177f92ed3020d351
++F src/vdbe.c d32c7bb51885349dc50362f832a71b58a9f76ca59e94a76541857216a28d02c1
  F src/vdbe.h be33bd7b17f2ec92939642416030491508c51071f6c14e27cd195983fec56b63
  F src/vdbeInt.h 52896dd4d5b62190c53db14b09fc2484434eb594c963df0fa66eb8a94527b02e
  F src/vdbeapi.c 869a0da5d855495055f4d35c6ada582f64ce995ce14b26ff9d336274d497266c
@@@ -819,8 -814,8 +819,8 @@@ F src/vdbetrace.c 49e689f751505839742f4
  F src/vdbevtab.c fc46b9cbd759dc013f0b3724549cc0d71379183c667df3a5988f7e2f1bd485f3
  F src/vtab.c 828221bdbeaaa6d62126ee6d07fd4ec0d09dcaea846f87ad01944d8b7e548859
  F src/vxworks.h 9d18819c5235b49c2340a8a4d48195ec5d5afb637b152406de95a9436beeaeab
- F src/wal.c dda9f9195d212188e41ab32d86130b856833649d822c4de62e82b1018eaf2caf
 -F src/wal.c 6bebee1a33f8b3b656de1bfa529513a2268584562b0bb8ff9c69cefba2506deb
 -F src/wal.h ba252daaa94f889f4b2c17c027e823d9be47ce39da1d3799886bbd51f0490452
++F src/wal.c 7100a4b39a018c9c21887c2238514a5721e1e26f3e9b096af470bb9789316df3
 +F src/wal.h e9aeb67102d9b9a0b089b80bd6136a16dd6360ac3daa731f2b71c6d4f8341717
  F src/walker.c d5006d6b005e4ea7302ad390957a8d41ed83faa177e412f89bc5600a7462a014
  F src/where.c 7d17cd5cb883b2166097957e20c4aab2d0d98e0c1141002ef77b5f6b9deed844
  F src/whereInt.h 8d94cb116c9e06205c3d5ac87af065fc044f8cf08bfdccd94b6ea1c1308e65da
@@@ -2188,8 -2171,8 +2188,8 @@@ F tool/version-info.c 3b36468a90faf1bbd
  F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
  F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 72915d8ad1b10c13bea855aa5ba34e63cc8648068809a27f8bb19094a072543e 6ff9ecb89d769bc2a27f8a57130f28ec7478979d3e35ba765c16017b5bdf775d
- R 24e5a5404d194732a705af922f2602be
 -P 6385a1962c69c69ca4775888f034a4eb892aa013689c000f3de6422da7c3c695
 -R 9e200ff823d75d1d4e9517de47a3edad
++P df5d4648c36d6106834dd54a910fceaac378d573a9a202627edc4da370d47026 724f2299f206cc9e7f830f984c50a8fc4ac1c17210d71d9affe657b45252b060
++R 623ebaefb7895838b0f0546d14fe169e
  U drh
- Z f43b45ee0c658e6869c6007e7aef0b78
 -Z b72961451b43171172d8a666ee282155
++Z 39d1b5e110f35ee2dd656d00e1d79cc7
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index af938410ca4f061ff33bb6f6dcfcbbdfebc9f8ea,b82aae4542c7754b227bb2c05b786724736be89a..965f3df044a22bb7e56c56be3025b983f384f999
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- df5d4648c36d6106834dd54a910fceaac378d573a9a202627edc4da370d47026
 -724f2299f206cc9e7f830f984c50a8fc4ac1c17210d71d9affe657b45252b060
++12fbd798cfc101da6d1114d23fe2c496cd8fae4c3ec805ac6250ad37200f23a1

diff --cc src/os_unix.c
Simple merge

diff --cc src/vdbe.c
Simple merge

diff --cc src/wal.c
Simple merge