Stage H: DoE rebuilt on BIRTH/SEND/KILL, defs-only workloads; work heat floor on contact (FABRIC-3.8 §3.9, §3.13.7)

Workload capsules the DoE births are definitions only; each defines WL-RUN
(its old birth-time work plus its entry word twice) and WL-DONE-ARGS. The
driver births N workers, SENDs each 'WL-RUN WL-DONE-ARGS SEND', waits in an
ordinary loop for N MU-DONE messages, KILLs them (parked idle), and emits
the marker. The serialized VM-EXEC round-robin is gone.

Kernel: no switch checkpoint after a payload's last word; work heat is the
assessed per-beat charge, and a VM gaining work is raised to the busy set's
floor (Captain Bob's ruling) -- fixes a live stall where a busy-waiting Hera
never yielded, without serializing batch starts.

Evidence: cfg-4 rows spread evenly over Hera and all 8 worker slots (44k
switches); full cfg-4 trials on amd64/aarch64/riscv64 end fail=0 with 8/8
KILL dead; Stage G interleave byte-identical on all three. Acceptance:
dict_hash unchanged, relay 3, idle growth 0.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

capsules/workload-3.4th

@@ -36,7 +36,6 @@ Block 4625
 
 Block 4635
 ( Sinusoidal wave with random amplitude/frequency modulation )
-42 SEED
 : SINE-PULSE ( phase amplitude -- )
   SWAP FULL-SIN * 100 / 1+
   COMPUTE ;
@@ -61,14 +60,10 @@ Block 4645
     100 200 RANDOM WAIT    ( inter-cycle pause )
   LOOP ;
 
-3 SINE-WAVE
-
 Block 4655
 
 ( Phase-shifted dual sine - interference pattern )
 
-98765 SEED
-
 : DUAL-SINE ( -- )
   32 0 DO
     I FULL-SIN 80 120 RANDOM 100 */
@@ -78,11 +73,9 @@ Block 4655
   LOOP ;
 
 : RUN-DUAL 4 0 DO DUAL-SINE LOOP ;
-RUN-DUAL
 
 Block 4665
 ( Damped sine - decaying amplitude )
-11111 SEED
 : DAMPED-SINE ( cycles -- )
   100 SWAP               ( starting amplitude )
   0 DO
@@ -94,5 +87,7 @@ Block 4665
     85 * 100 /           ( decay by 15% each cycle )
     DUP 10 < IF DROP 10 THEN
   LOOP DROP ;
-
-3 DAMPED-SINE
+( FABRIC-3.8 3.9: defs only; the DoE SENDs WL-RUN )
+: WL-RUN 42 SEED 3 SINE-WAVE 98765 SEED RUN-DUAL
+  11111 SEED 3 DAMPED-SINE DUAL-SINE DUAL-SINE ;
+: WL-DONE-ARGS S" MU-DONE" S" Hera" ;