Add the shared template cache and edge assembly for #1009 - #1013

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prk-Jr wants to merge 44 commits into

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1009-esi-cacheable-root-spec

Commits on Aug 8, 2026

Commits on Aug 10, 2026

Reopen ESI as feasible and separate it from the Stage 0 optimisation
prk-Jr
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86fa20f
Fix the docs build and the design breaks in the #1009 spike
prk-Jr
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bc6b400
Reconcile the #1009 documents with the request-neutrality correction
prk-Jr
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86a39ac
Close the remaining #1009 cross-document contradictions and gate the sweep
prk-Jr
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cf204f0
Fix stale summaries and rebuild the invariant checker so it cannot false-green
prk-Jr
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59dd9b0
Make the #1009 docs invariant gate fail closed
prk-Jr
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d420999
Remove the #1009 documentation invariant checker
prk-Jr
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e286c5c
Align the #1009 spec structure with what it actually covers
prk-Jr
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62c4b70
Add the esi crate to the Fastly adapter and record Task 1 as passed
prk-Jr
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bcf2fd2
Re-sequence the ESI spike for local-first validation
prk-Jr
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b35f8df
Add AssemblyMode and gate the head seam on template neutrality
prk-Jr
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7781009
Add the C2 shared-template cache gate
prk-Jr
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606543f
Decouple the body-close decision from the head script
prk-Jr
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d9e0597
Record Task 3 implementation progress and its limits
prk-Jr
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f0ab7ac
Decide the C2 cache design: cache::core, not read-through
prk-Jr
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672836c
Guard the silent-waste and cookie gaps a review found
prk-Jr
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fee4622

Commits on Aug 11, 2026

Keep request-scoped diagnostics out of the shared template
prk-Jr
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fbff408
Record the Task 3 code review and adopt its gate
prk-Jr
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fe88b77
Render whole documents and compare bytes, and prove the test has teeth
prk-Jr
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6e6b21a
Add the C2 template cache trait, key and null object
prk-Jr
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04a3196
Back the C2 template cache with Fastly Core Cache
prk-Jr
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ecc6c53
Resolve the Vary chicken-and-egg for the C2 cache key
prk-Jr
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b688d66
Fail the C2 gate closed when the origin varies on an unkeyed header
prk-Jr
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577eb85
Store the transformed template when the C2 gate authorizes it
prk-Jr
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2db1063
Serve a C2 hit without touching the origin
prk-Jr
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2a2e6c6
Execute the Core Cache join the publisher actually uses
prk-Jr
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fe0658d
Give the ESI seam a fragment to include
prk-Jr
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0686431
Prove ESI resolves the seam's marker on this toolchain
prk-Jr
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9539061
State the ESI processor's safety settings instead of inheriting them
prk-Jr
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0597f54
Record that ESI's mechanism is proven and its defaults are not safe
prk-Jr
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2617ecc
Stop a C2 hit from serving a shared-cacheable per-user document
prk-Jr
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0adb578
Resolve the ESI include in the request path so ads render
prk-Jr
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b3ac59a
Read the origin's Cache-Control, not the one TS just wrote
prk-Jr
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4c55734
Close the three Task 6 gates that do not need a deployment
prk-Jr
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76df246
Record the local run, and the pattern the bugs on this branch share
prk-Jr
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00b8e02
Architect streaming assembly, and correct the latency reading
prk-Jr
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f1d9cb7
Demonstrate that a cached root alone buys the reader nothing
prk-Jr
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bb8811c
Exclude non-GET from the shared cache, and close the ClientFill coverage gap
prk-Jr
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09b7cb7
Stop the shared cache from being inert against a real origin
prk-Jr
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d1edffe
Record the review, including what it says about reviewing
prk-Jr
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712f26c