fix: improve json parsing resilience and disable gemini thinking

bump to 2.5 flash light

saas: suspend llm token multiplier

fix: unify getTotalUsage behavior

saas: llm usage gets a x3 multiplier (#124)

reset embeddings timeout

fix late chunk error

fix encoding error for embeddings

fix empty input handling in embeddings

fix unicode issue for embeddings

fix empty embeddings issue

output error details in axios client

fix regex issue

fix emoji trimming in embeddings processing

add debug logs for better tracing of fallback generation issues