p2: digest with in-sift FIFO, SQLite caches, Honcho context, recover

Dixie is capped (max_inflight 2, queue_depth 8, queue_wait 20s) and
never queued on llama-server. Streaming chat, thinking off, 45s
fallback to clean. Digest and chunk-embedding caches are
content-addressed SQLite (Honcho context is not cached). Recover
uses the guarded Fetcher. guardian-star is refused in code.

vendor/modernc.org/sqlite/lib/sqlite_g_00000000000628c0.go

@@ -0,0 +1,47 @@
+// Code generated by modernc.org/undup from the per-target sqlite_*.go files; DO NOT EDIT.
+
+//go:build (linux && 386) || (linux && amd64) || (linux && ppc64le) || (linux && s390x) || (windows && (amd64 || arm64)) || (windows && 386)
+
+package sqlite3
+
+const __DEC128_EPSILON__ = 0
+
+const __DEC128_MANT_DIG__ = 34
+
+const __DEC128_MAX_EXP__ = 6145
+
+const __DEC128_MAX__ = 0
+
+const __DEC128_MIN_EXP__ = -6142
+
+const __DEC128_MIN__ = 0
+
+const __DEC128_SUBNORMAL_MIN__ = 0
+
+const __DEC32_EPSILON__ = 0
+
+const __DEC32_MANT_DIG__ = 7
+
+const __DEC32_MAX_EXP__ = 97
+
+const __DEC32_MAX__ = 0
+
+const __DEC32_MIN_EXP__ = -94
+
+const __DEC32_MIN__ = 0
+
+const __DEC32_SUBNORMAL_MIN__ = 0
+
+const __DEC64_EPSILON__ = 0
+
+const __DEC64_MANT_DIG__ = 16
+
+const __DEC64_MAX_EXP__ = 385
+
+const __DEC64_MAX__ = 0
+
+const __DEC64_MIN_EXP__ = -382
+
+const __DEC64_MIN__ = 0
+
+const __DEC64_SUBNORMAL_MIN__ = 0