Production config: disable MSA, 1 sample, errorStrategy ignore

- Disable MSA to reduce GPU memory for large complexes
- Default to 1 diffusion sample to fit within GPU VRAM
- Add errorStrategy 'ignore' so pipeline completes even if
  individual tasks fail (standard bioinformatics pattern)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

main.nf

@@ -3,15 +3,16 @@ nextflow.enable.dsl=2
 
 params.input_dir = 's3://omic/eureka/chai1/input'
 params.outdir = 's3://omic/eureka/chai1/output'
-params.use_msa = true
+params.use_msa = false
 params.msa_server = 'https://api.colabfold.com'
-params.num_samples = 5
+params.num_samples = 1
 
 process CHAI1 {
     container 'harbor.cluster.omic.ai/omic/chai1:v3'
     publishDir params.outdir, mode: 'copy'
     stageInMode 'copy'
     maxForks 1
+    errorStrategy 'ignore'
 
     input:
         path fasta